MLB Recent Transactions |
Arizona
| Date | Player | Transactions |
| 4/20 | Taylor Clarke, P | Called Up from Minors |
| 4/20 | Tim Locastro, CF | Sent to Minors |
| 4/19 | Blake Swihart, C | Traded Boston (for OF Marcus Wilson) |
| 4/18 | T.J. McFarland, P | Sent to Minors For Rehabilitation |
| 4/11 | Ben Taylor, P | Signed to a Minor League Contract |
| 4/10 | Caleb Joseph, C | Called Up from Minors |
| 4/9 | Jon Duplantier, P | Sent to Minors |
| 4/7 | Alex Avila, C | Placed on 10-Day IL (Strained left quad) |
| 4/7 | Tim Locastro, CF | Called Up from Minors |
Atlanta
| Date | Player | Transactions |
| 4/20 | Shane Carle, P | Called Up from Minors (recalled as 26th roster player) |
| 4/18 | Mike Soroka, P | Called Up from Minors |
| 4/17 | Shane Carle, P | Sent to Minors |
| 4/17 | Alex Jackson, C | Sent to Minors |
| 4/17 | Brian McCann, C | Removed From 10-Day IL (Strained right hamstring) |
| 4/16 | Shane Carle, P | Called Up from Minors |
| 4/15 | Jonny Venters, P | Placed on 10-Day IL (Right calf strain) |
| 4/14 | Arodys Vizcaíno, P | Placed on 10-Day IL (Right shoulder surgery - out for season) |
| 4/14 | Jacob Webb, P | Called Up from Minors |
| 4/14 | Dan Winkler, P | Called Up from Minors |
| 4/13 | Sean Newcomb, P | Sent to Minors |
| 4/13 | Touki Toussaint, P | Called Up from Minors |
| 4/13 | Kyle Wright, P | Sent to Minors |
| 4/11 | Ozzie Albies, 2B | Signed ( 2019-2025; Opt 2026-2027)(seven-year extension) |
| 4/7 | Alex Jackson, C | Called Up from Minors |
| 4/7 | Brian McCann, C | Placed on 10-Day IL (Strained right hamstring) |
Baltimore
| Date | Player | Transactions |
| 4/20 | Alex Cobb, P | Removed From 10-Day IL (Lumbar strain) |
| 4/20 | Nate Karns, P | Sent to Minors For Rehabilitation |
| 4/20 | Branden Kline, P | Called Up from Minors (recalled as 26th roster player) |
| 4/20 | Josh Lucas, P | Sent to Minors |
| 4/17 | Austin Wynns, C | Recalled From Minors Rehab Assignment |
| 4/17 | Austin Wynns, C | Removed From 10-Day IL (Left oblique strain) |
| 4/17 | Austin Wynns, C | Sent to Minors |
| 4/13 | Austin Wynns, C | Sent to Minors For Rehabilitation |
| 4/12 | Jesmuel Valentín, 3B | Signed to a Minor League Contract |
| 4/11 | Richard Bleier, P | Placed on 10-Day IL (Left shoulder tendinitis) |
| 4/11 | Josh Lucas, P | Purchased From Minors |
| 4/11 | Tanner Scott, P | Called Up from Minors |
| 4/10 | Drew Jackson, SS | Returned Drafted Player |
| 4/10 | Josh Rogers, P | Called Up from Minors |
| 4/10 | Josh Rogers, P | Sent to Minors |
| 4/9 | Alex Cobb, P | Placed on 10-Day IL (Lumbar strain) |
| 4/9 | Nate Karns, P | Placed on 10-Day IL (Strained right forearm) |
| 4/9 | Evan Phillips, P | Called Up from Minors |
| 4/6 | Matt Wotherspoon, P | Called Up from Minors - Not to Report |
| 4/6 | Matt Wotherspoon, P | Outrighted to Minors |
Boston
| Date | Player | Transactions |
| 4/20 | Nathan Eovaldi, P | Placed on 10-Day IL (Loose bodies in right elbow) |
| 4/20 | Marco Hernández, 3B | Sent to Minors For Rehabilitation |
| 4/20 | Bobby Poyner, P | Called Up from Minors |
| 4/19 | Michael Chavis, 3B | Called Up from Minors |
| 4/19 | Tzu-Wei Lin, SS | Called Up from Minors |
| 4/19 | Eduardo Núñez, 2B | Placed on 10-Day IL (Mid-back strain) |
| 4/19 | Erasmo Ramírez, P | Designated for Assignment |
| 4/18 | Dustin Pedroia, 2B | Placed on 10-Day IL (Left knee irritation) |
| 4/18 | Marcus Walden, P | Called Up from Minors |
| 4/17 | Jeremy Bleich, P | Signed to a Minor League Contract |
| 4/16 | Brock Holt, 2B | Sent to Minors For Rehabilitation |
| 4/16 | Sandy León, C | Purchased From Minors |
| 4/16 | Erasmo Ramírez, P | Purchased From Minors |
| 4/16 | Blake Swihart, C | Designated for Assignment |
| 4/15 | Marcus Walden, P | Sent to Minors |
| 4/9 | Tzu-Wei Lin, SS | Sent to Minors |
| 4/9 | Dustin Pedroia, 2B | Recalled From Minors Rehab Assignment |
| 4/9 | Dustin Pedroia, 2B | Removed From 10-Day IL (Recovery from left knee surgery) |
| 4/6 | Brock Holt, 2B | Placed on 10-Day IL (Scratched cornea, right eye) |
| 4/6 | Brian Johnson, P | Placed on 10-Day IL (Left elbow inflammation) |
| 4/6 | Tzu-Wei Lin, SS | Called Up from Minors |
| 4/6 | Marcus Walden, P | Called Up from Minors |
Chi Cubs
| Date | Player | Transactions |
| 4/18 | Xavier Cedeño, P | Sent to Minors For Rehabilitation |
| 4/17 | Mike Montgomery, P | Sent to Minors For Rehabilitation |
| 4/13 | Jen-Ho Tseng, P | Cleared Waivers and Became a Free Agent |
| 4/12 | Victor Caratini, C | Placed on 10-Day IL (Fractured hamate bone, left hand) |
| 4/12 | Taylor Davis, C | Called Up from Minors |
| 4/11 | Jen-Ho Tseng, P | Released |
| 4/10 | Tim Collins, P | Called Up from Minors |
| 4/10 | Jon Lester, P | Placed on 10-Day IL (Left hamstring strain) |
| 4/6 | Mike Montgomery, P | Placed on 10-Day IL (Strained left lat) |
| 4/6 | Kyle Ryan, P | Called Up from Minors |
| 4/6 | Jen-Ho Tseng, P | Designated for Assignment |
| 4/6 | Allen Webster, P | Purchased From Minors |
Chi White Sox
| Date | Player | Transactions |
| 4/20 | Tim Anderson, SS | Reinstated From League Suspension |
| 4/19 | Tim Anderson, SS | Suspension Announced By League (one game) |
| 4/19 | Tim Anderson, SS | Starting to Serve Suspension |
| 4/18 | Ryan Cordell, RF | Called Up from Minors |
| 4/18 | Carson Fulmer, P | Called Up from Minors |
| 4/18 | Lucas Giolito, P | Placed on 10-Day IL (Strained left hamstring) |
| 4/18 | Brett Nicholas, C | Signed to a Minor League Contract |
| 4/17 | Daniel Palka, RF | Sent to Minors |
| 4/12 | Josh Osich, P | Called Up from Minors |
| 4/10 | Caleb Frare, P | Sent to Minors |
| 4/9 | Ervin Santana, P | Purchased From Minors |
| 4/8 | Carson Fulmer, P | Called Up from Minors |
| 4/8 | Carson Fulmer, P | Sent to Minors |
| 4/7 | Ryan Cordell, RF | Sent to Minors |
Cincinnati
| Date | Player | Transactions |
| 4/14 | Phillip Ervin, RF | Return of 26th man |
| 4/13 | Phillip Ervin, RF | Called Up from Minors (recalled as 26th roster player) |
| 4/11 | Yasiel Puig, RF | Reinstated From League Suspension |
| 4/9 | Yasiel Puig, RF | Suspension Announced By League (two games) |
| 4/9 | Yasiel Puig, RF | Starting to Serve Suspension |
| 4/7 | Rob Refsnyder, 2B | Traded Arizona (for future considerations) |
Cleveland
| Date | Player | Transactions |
| 4/20 | Francisco Lindor, SS | Recalled From Minors Rehab Assignment |
| 4/20 | Francisco Lindor, SS | Removed From 10-Day IL (Strained right calf, left ankle sprain) |
| 4/20 | Hanley Ramirez, 1B | Designated for Assignment |
| 4/17 | Brad Miller, 2B | Refused Minor League Assignment - Free Agent |
| 4/17 | Brad Miller, 2B | Outrighted to Minors |
| 4/16 | Mike Freeman, SS | Purchased From Minors |
| 4/16 | Francisco Lindor, SS | Sent to Minors For Rehabilitation |
| 4/15 | Jason Kipnis, 2B | Recalled From Minors Rehab Assignment |
| 4/15 | Jason Kipnis, 2B | Removed From 10-Day IL (Right calf strain) |
| 4/15 | Brad Miller, 2B | Designated for Assignment |
| 4/15 | Eric Stamets, 2B | Sent to Minors |
| 4/14 | Mike Clevinger, P | Transferred to 60-Day IL (Strained right upper back) |
| 4/14 | Carlos González, RF | Purchased From Minors |
| 4/13 | Cody Anderson, P | Called Up from Minors |
| 4/13 | Jefry Rodriguez, P | Called Up from Minors |
| 4/13 | Jefry Rodriguez, P | Sent to Minors |
| 4/12 | Jon Edwards, P | Sent to Minors |
| 4/12 | Jordan Luplow, LF | Sent to Minors |
| 4/9 | Mike Clevinger, P | Placed on 10-Day IL (Strained right upper back) |
| 4/9 | Nick Wittgren, P | Called Up from Minors |
Colorado
| Date | Player | Transactions |
| 4/18 | David Dahl, LF | Removed From 10-Day IL (Abdominal strain) |
| 4/18 | Yonathan Daza, CF | Sent to Minors |
| 4/18 | Josh Fuentes, 1B | Sent to Minors |
| 4/18 | Ryan McMahon, 1B | Removed From 10-Day IL (Sprained left elbow) |
| 4/16 | Noel Cuevas, LF | Placed on 10-Day IL (Strained left quad) |
| 4/16 | Yonathan Daza, CF | Called Up from Minors |
| 4/15 | Yency Almonte, P | Sent to Minors |
| 4/15 | Drew Butera, C | Purchased From Minors |
| 4/15 | Noel Cuevas, LF | Called Up from Minors |
| 4/15 | Yonathan Daza, CF | Sent to Minors |
| 4/15 | Chris Iannetta, C | Placed on 10-Day IL (Right lat strain) |
| 4/15 | Antonio Senzatela, P | Recalled From Minors Rehab Assignment |
| 4/15 | Antonio Senzatela, P | Removed From 10-Day IL (Infected blister, right heel) |
| 4/9 | David Dahl, LF | Placed on 10-Day IL (Abdominal strain) |
| 4/9 | Yonathan Daza, CF | Called Up from Minors |
| 4/9 | Craig Gentry, LF | Signed to a Minor League Contract |
| 4/7 | Yency Almonte, P | Called Up from Minors |
| 4/7 | Tyler Anderson, P | Placed on 10-Day IL (Left knee inflammation) |
| 4/6 | Josh Fuentes, 1B | Called Up from Minors |
| 4/6 | German Márquez, P | Signed ( 2019-2023; Opt 2024)(five-year extension) |
| 4/6 | Ryan McMahon, 1B | Placed on 10-Day IL (Sprained left elbow) |
| 4/6 | Antonio Senzatela, P | Sent to Minors For Rehabilitation |
Detroit
| Date | Player | Transactions |
| 4/20 | Gregory Soto, P | Reinstated From Restricted List |
| 4/20 | Gregory Soto, P | Sent to Minors |
| 4/18 | Brandon Dixon, 2B | Called Up from Minors |
| 4/18 | Christin Stewart, LF | Placed on 10-Day IL (Right quad strain) |
| 4/14 | Jordy Mercer, SS | Placed on 10-Day IL (Right quad strain) |
| 4/14 | Ronny Rodríguez, 2B | Called Up from Minors |
| 4/13 | Mikie Mahtook, CF | Outrighted to Minors |
| 4/11 | JaCoby Jones, CF | Recalled From Minors Rehab Assignment |
| 4/11 | JaCoby Jones, CF | Removed From 10-Day IL (Left shoulder sprain) |
| 4/11 | Mikie Mahtook, CF | Designated for Assignment |
| 4/7 | Matt Moore, P | Placed on 10-Day IL (Right knee surgery - out for season) |
| 4/7 | Drew VerHagen, P | Removed From 10-Day IL (Strained right forearm) |
| 4/7 | Drew VerHagen, P | Recalled From Minors Rehab Assignment |
Houston
| Date | Player | Transactions |
| 4/12 | Reymin Guduan, P | Called Up from Minors |
| 4/10 | Framber Valdez, P | Sent to Minors |
Kansas City
| Date | Player | Transactions |
| 4/19 | Brad Keller, P | Suspension Announced By League (five games) |
| 4/11 | Jake Newberry, P | Called Up from Minors |
| 4/11 | Frank Schwindel, RF | Sent to Minors |
| 4/9 | Chris Ellis, P | Returned Drafted Player |
| 4/9 | Heath Fillmyer, P | Called Up from Minors |
| 4/9 | Tim Hill, P | Sent to Minors |
| 4/9 | Richard Lovelady, P | Purchased From Minors |
| 4/9 | Kevin McCarthy, P | Sent to Minors |
| 4/8 | Glenn Sparkman, P | Called Up from Minors |
| 4/8 | Kyle Zimmer, P | Sent to Minors |
LA Angels
| Date | Player | Transactions |
| 4/20 | Luke Bard, P | Called Up from Minors |
| 4/19 | Taylor Cole, P | Called Up from Minors |
| 4/19 | Dillon Peters, P | Sent to Minors |
| 4/18 | Jake Jewell, P | Sent to Minors |
| 4/16 | Dillon Peters, P | Called Up from Minors |
| 4/15 | Jaime Barria, P | Called Up from Minors |
| 4/15 | John Curtiss, P | Called Up from Minors |
| 4/15 | John Curtiss, P | Sent to Minors |
| 4/15 | Tyler Skaggs, P | Placed on 10-Day IL (Left ankle sprain) |
| 4/15 | Taylor Ward, 3B | Sent to Minors |
| 4/12 | Jake Jewell, P | Called Up from Minors |
| 4/10 | Luke Bard, P | Sent to Minors |
| 4/10 | Jaime Barria, P | Called Up from Minors |
| 4/10 | Jaime Barria, P | Sent to Minors |
| 4/10 | Parker Bridwell, P | Signed to a Minor League Contract |
| 4/8 | Justin Anderson, P | Sent to Minors |
| 4/8 | Taylor Cole, P | Recalled From Minors Rehab Assignment |
| 4/8 | Taylor Cole, P | Removed From 10-Day IL (Strained right shoulder) |
| 4/8 | Taylor Cole, P | Sent to Minors |
| 4/8 | Taylor Ward, 3B | Called Up from Minors |
LA Dodgers
| Date | Player | Transactions |
| 4/20 | Hyun-Jin Ryu, P | Removed From 10-Day IL (Strained left groin) |
| 4/20 | Josh Sborz, P | Sent to Minors |
| 4/17 | Rich Hill, P | Sent to Minors For Rehabilitation |
| 4/15 | Clayton Kershaw, P | Removed From 10-Day IL (Left shoulder inflammation) |
| 4/15 | Jaime Schultz, P | Sent to Minors |
| 4/14 | Dennis Santana, P | Sent to Minors |
| 4/14 | Josh Sborz, P | Called Up from Minors |
| 4/11 | JT Chargois, P | Sent to Minors |
| 4/11 | Jaime Schultz, P | Called Up from Minors |
| 4/10 | Rocky Gale, C | Called Up from Minors |
| 4/10 | Russell Martin, C | Placed on 10-Day IL (Lower back inflammation) |
| 4/9 | JT Chargois, P | Called Up from Minors |
| 4/9 | Clayton Kershaw, P | Recalled From Minors Rehab Assignment |
| 4/9 | Hyun-Jin Ryu, P | Placed on 10-Day IL (Strained left groin) |
| 4/7 | Dennis Santana, P | Called Up from Minors |
| 4/7 | Brock Stewart, P | Sent to Minors |
Miami
| Date | Player | Transactions |
| 4/20 | Jon Berti, 2B | Purchased From Minors |
| 4/20 | Austin Dean, RF | Sent to Minors |
| 4/20 | Riley Ferrell, P | Transferred to 60-Day IL (Right biceps tendinitis) |
| 4/16 | Austin Brice, P | Placed on 10-Day IL (Gastroenteritis) |
| 4/16 | Isaac Galloway, RF | Purchased From Minors |
| 4/16 | Jarlin García, P | Called Up from Minors |
| 4/15 | JT Riddle, SS | Sent to Minors |
| 4/12 | Austin Dean, RF | Called Up from Minors |
| 4/12 | Peter O'Brien, LF | Sent to Minors |
Milwaukee
| Date | Player | Transactions |
| 4/19 | Corbin Burnes, P | Sent to Minors |
| 4/19 | Donnie Hart, P | Called Up from Minors |
| 4/19 | Jake Petricka, P | Sent to Minors |
| 4/19 | Alex Wilson, P | Reinstated from Paternity Leave List |
| 4/17 | Jake Petricka, P | Called Up from Minors |
| 4/17 | Alex Wilson, P | Placed on Paternity Leave List |
| 4/16 | Jeremy Jeffress, P | Recalled From Minors Rehab Assignment |
| 4/16 | Jeremy Jeffress, P | Removed From 10-Day IL (Right shoulder soreness) |
| 4/16 | Freddy Peralta, P | Placed on 10-Day IL (SC joint injury, right shoulder) |
| 4/16 | Aaron Wilkerson, P | Called Up from Minors |
| 4/15 | Jake Petricka, P | Sent to Minors |
| 4/14 | David Freitas, C | Traded Seattle (for RHP Sal Biasi) |
| 4/14 | David Freitas, C | Sent to Minors |
| 4/14 | Corey Knebel, P | Transferred to 60-Day IL (Right elbow surgery - out for season) |
| 4/7 | Jake Petricka, P | Called Up from Minors |
| 4/6 | Taylor Williams, P | Sent to Minors |
Minnesota
| Date | Player | Transactions |
| 4/20 | Fernando Romero, P | Called Up from Minors (recalled as 26th roster player) |
| 4/19 | Gabriel Moya, P | Sent to Minors For Rehabilitation |
| 4/16 | Tyler Duffey, P | Called Up from Minors |
| 4/16 | Andrew Vasquez, P | Sent to Minors |
| 4/14 | Matt Magill, P | Sent to Minors For Rehabilitation |
| 4/10 | Andrew Vasquez, P | Called Up from Minors |
| 4/9 | Chase De Jong, P | Sent to Minors |
| 4/6 | Tyler Austin, 1B | Designated for Assignment |
| 4/6 | Chase De Jong, P | Purchased From Minors |
NY Mets
| Date | Player | Transactions |
| 4/20 | Chris Flexen, P | Called Up from Minors |
| 4/20 | Jacob deGrom, P | Placed on 10-Day IL (Right elbow soreness) |
| 4/17 | Drew Gagnon, P | Sent to Minors |
| 4/17 | Jacob Rhame, P | Called Up from Minors |
| 4/15 | Drew Gagnon, P | Called Up from Minors |
| 4/15 | Luis Guillorme, 2B | Sent to Minors |
| 4/14 | Paul Sewald, P | Called Up from Minors |
| 4/13 | Corey Oswalt, P | Sent to Minors |
| 4/10 | Corey Oswalt, P | Called Up from Minors |
| 4/10 | Tim Peterson, P | Sent to Minors |
| 4/7 | Tomás Nido, C | Sent to Minors |
| 4/7 | Travis d'Arnaud, C | Recalled From Minors Rehab Assignment |
| 4/7 | Travis d'Arnaud, C | Removed From 10-Day IL (Recovery from right elbow surgery) |
NY Yankees
| Date | Player | Transactions |
| 4/19 | Logan Morrison, 1B | Signed to a Minor League Contract |
| 4/16 | Greg Bird, 1B | Placed on 10-Day IL (Left plantar fascia tear) |
| 4/16 | Jacoby Ellsbury, CF | Transferred to 60-Day IL (Recovery from left hip surgery) |
| 4/16 | Mike Ford, 1B | Purchased From Minors |
| 4/13 | CC Sabathia, P | Recalled From Minors Rehab Assignment |
| 4/13 | CC Sabathia, P | Removed From 10-Day IL (Rehab from cardiac surgery) |
| 4/12 | Kyle Higashioka, C | Called Up from Minors |
| 4/12 | Gary Sánchez, C | Placed on 10-Day IL (Strained left calf) |
| 4/12 | Stephen Tarpley, P | Sent to Minors |
| 4/10 | Joe Harvey, P | Called Up from Minors |
| 4/9 | Jonathan Loaisiga, P | Sent to Minors |
| 4/7 | CC Sabathia, P | Sent to Minors For Rehabilitation |
| 4/6 | Thairo Estrada, SS | Sent to Minors |
| 4/6 | Didi Gregorius, SS | Transferred to 60-Day IL (Recovery from right elbow surgery) |
| 4/6 | Gio Urshela, 3B | Purchased From Minors |
Oakland
| Date | Player | Transactions |
| 4/18 | Khris Davis, LF | Signed ( 2020-2021)(two-year extension) |
| 4/17 | Chris Bassitt, P | Called Up from Minors |
| 4/17 | Marco Estrada, P | Placed on 10-Day IL (Lumbar strain) |
| 4/15 | Chris Bassitt, P | Recalled From Minors Rehab Assignment |
| 4/15 | Chris Bassitt, P | Removed From 10-Day IL (Lower leg contusion) |
| 4/15 | Chris Bassitt, P | Sent to Minors |
| 4/10 | Edwin Jackson, P | Signed to a Minor League Contract |
| 4/7 | Parker Bridwell, P | Released |
Philadelphia
| Date | Player | Transactions |
| 4/20 | Drew Anderson, P | Called Up from Minors |
| 4/20 | Víctor Arano, P | Placed on 10-Day IL (Right elbow inflammation) |
| 4/20 | Austin Davis, P | Called Up from Minors |
| 4/20 | Scott Kingery, SS | Placed on 10-Day IL (Strained right hamstring) |
| 4/20 | Jean Segura, SS | Placed on 10-Day IL (Strained left hamstring) |
| 4/20 | Mitch Walding, 3B | Called Up from Minors |
| 4/18 | Odúbel Herrera, CF | Placed on 10-Day IL (Right hamstring strain) |
| 4/18 | Roman Quinn, CF | Recalled From Minors Rehab Assignment |
| 4/18 | Roman Quinn, CF | Removed From 10-Day IL (Right oblique strain) |
| 4/17 | Phil Gosselin, 2B | Purchased From Minors |
| 4/17 | Tommy Hunter, P | Transferred to 60-Day IL (Strained right forearm) |
| 4/17 | Nick Pivetta, P | Sent to Minors |
| 4/16 | Drew Anderson, P | Sent to Minors |
| 4/16 | Jerad Eickhoff, P | Called Up from Minors |
| 4/15 | Drew Anderson, P | Called Up from Minors |
| 4/15 | David Robertson, P | Placed on 10-Day IL (Sore right elbow) |
| 4/12 | Víctor Arano, P | Called Up from Minors |
| 4/11 | Edubray Ramos, P | Sent to Minors |
Pittsburgh
| Date | Player | Transactions |
| 4/20 | Erik González, SS | Placed on 60-Day IL (left clavicle fracture) |
| 4/20 | Starling Marte, CF | Placed on 10-Day IL (Abdominal wall contusion) |
| 4/20 | Bryan Reynolds, CF | Purchased From Minors |
| 4/20 | Cole Tucker, SS | Called Up from Minors |
| 4/19 | Lonnie Chisenhall, RF | Sent to Minors For Rehabilitation |
| 4/16 | Kyle Crick, P | Removed From 10-Day IL (Right triceps tightness) |
| 4/16 | Kevin Kramer, 2B | Sent to Minors |
| 4/16 | Dovydas Neverauskas, P | Recalled From Minors Rehab Assignment |
| 4/16 | Dovydas Neverauskas, P | Removed From 10-Day IL (Strained left oblique) |
| 4/16 | Dovydas Neverauskas, P | Sent to Minors |
| 4/14 | Chris Archer, P | Starting to Serve Suspension |
| 4/11 | Kevin Kramer, 2B | Called Up from Minors |
| 4/11 | Kevin Newman, SS | Placed on 10-Day IL (Right middle finger laceration) |
| 4/9 | Chris Archer, P | Suspension Announced By League (five games) |
| 4/7 | Dovydas Neverauskas, P | Sent to Minors For Rehabilitation |
| 4/7 | Gregory Polanco, RF | Sent to Minors For Rehabilitation |
San Diego
| Date | Player | Transactions |
| 4/19 | Manuel Margot, CF | Placed on Paternity Leave List |
| 4/19 | José Pirela, 2B | Called Up from Minors |
| 4/14 | Phil Maton, P | Called Up from Minors |
| 4/14 | Luis Perdomo, P | Called Up from Minors |
| 4/14 | Gerardo Reyes, P | Sent to Minors |
| 4/14 | Robert Stock, P | Sent to Minors |
| 4/12 | Pedro Avila, P | Sent to Minors |
| 4/12 | Allen Craig, RF | Retired |
| 4/12 | Gerardo Reyes, P | Called Up from Minors |
| 4/11 | Pedro Avila, P | Called Up from Minors |
| 4/10 | Robbie Erlin, P | Sent to Minors |
| 4/8 | Franchy Cordero, CF | Placed on 10-Day IL (Right elbow sprain) |
| 4/8 | Aaron Loup, P | Placed on 10-Day IL (Left elbow strain) |
| 4/8 | Luis Urías, 2B | Called Up from Minors |
| 4/8 | Brad Wieck, P | Called Up from Minors |
San Francisco
| Date | Player | Transactions |
| 4/13 | Connor Joe, 1B | Returned Drafted Player |
| 4/8 | Tyler Austin, 1B | Traded Minnesota (for OF Malique Ziegler) |
| 4/8 | Connor Joe, 1B | Designated for Assignment |
Seattle
| Date | Player | Transactions |
| 4/16 | Christian Bergman, P | Signed to a Minor League Contract |
| 4/14 | David Freitas, C | Called Up from Minors - Not to Report |
| 4/14 | Wade LeBlanc, P | Placed on 10-Day IL (Right oblique strain) |
| 4/14 | Erik Swanson, P | Called Up from Minors |
| 4/12 | Ruben Alaniz, P | Called Up from Minors |
| 4/12 | Shawn Armstrong, P | Recalled From Minors Rehab Assignment |
| 4/12 | Shawn Armstrong, P | Removed From 10-Day IL (Strained left oblique) |
| 4/11 | Matt Festa, P | Sent to Minors |
| 4/11 | Erik Swanson, P | Sent to Minors |
| 4/10 | Neftalí Feliz, P | Signed to a Minor League Contract |
| 4/9 | Chasen Bradford, P | Placed on 10-Day IL (Right shoulder inflammation) |
| 4/9 | Erik Swanson, P | Called Up from Minors |
St. Louis
| Date | Player | Transactions |
| 4/17 | Harrison Bader, CF | Placed on 10-Day IL (Strained right hamstring) |
| 4/17 | Lane Thomas, CF | Called Up from Minors |
| 4/16 | Giovanny Gallegos, P | Called Up from Minors |
| 4/16 | Ryan Helsley, P | Called Up from Minors |
| 4/16 | Mike Mayers, P | Placed on 10-Day IL (Right shoulder lat strain) |
| 4/16 | Yairo Muñoz, SS | Called Up from Minors |
| 4/16 | Tyler O'Neill, RF | Placed on 10-Day IL (Ulnar nerve subluxation, right elbow) |
| 4/15 | Giovanny Gallegos, P | Sent to Minors |
| 4/15 | Drew Robinson, CF | Called Up from Minors |
| 4/15 | Drew Robinson, CF | Sent to Minors |
| 4/14 | Yairo Muñoz, SS | Return of 26th man |
| 4/13 | Yairo Muñoz, SS | Called Up from Minors (recalled as 26th roster player) |
| 4/10 | Matt Carpenter, 3B | Signed ( 2020-2021; Opt 2022)(two-year extension) |
| 4/7 | Giovanny Gallegos, P | Called Up from Minors |
| 4/7 | Tyler Webb, P | Called Up from Minors |
| 4/6 | Yairo Muñoz, SS | Sent to Minors |
| 4/6 | Alex Reyes, P | Sent to Minors |
Tampa Bay
| Date | Player | Transactions |
| 4/20 | Jake Faria, P | Called Up from Minors |
| 4/20 | Casey Sadler, P | Sent to Minors |
| 4/19 | Nick Ciuffo, C | Called Up from Minors |
| 4/19 | José De León, P | Transferred to 60-Day IL (Recovery from right elbow surgery) |
| 4/19 | Emilio Pagán, P | Sent to Minors |
| 4/19 | Casey Sadler, P | Purchased From Minors |
| 4/19 | Mike Zunino, C | Placed on Paternity Leave List |
| 4/16 | Emilio Pagán, P | Called Up from Minors |
| 4/16 | Blake Snell, P | Placed on 10-Day IL (Fractured right toe) |
| 4/8 | Hunter Wood, P | Called Up from Minors |
| 4/7 | Christian Arroyo, 3B | Sent to Minors |
Texas
| Date | Player | Transactions |
| 4/19 | Brett Martin, P | Called Up from Minors |
| 4/17 | Kyle Bird, P | Sent to Minors |
| 4/17 | Jen-Ho Tseng, P | Signed to a Minor League Contract |
| 4/13 | Rougned Odor, 2B | Placed on 10-Day IL (Right knee sprain) |
| 4/13 | Danny Santana, LF | Purchased From Minors |
| 4/13 | Edinson Vólquez, P | Transferred to 60-Day IL (Right elbow sprain) |
| 4/7 | Ronald Guzmán, 1B | Placed on 10-Day IL (Strained right hamstring) |
| 4/7 | Patrick Wisdom, 3B | Called Up from Minors |
Toronto
| Date | Player | Transactions |
| 4/18 | Jonathan Davis, CF | Sent to Minors For Rehabilitation |
| 4/18 | Javy Guerra, P | Designated for Assignment |
| 4/18 | Ryan Tepera, P | Recalled From Minors Rehab Assignment |
| 4/18 | Ryan Tepera, P | Removed From 10-Day IL (Right elbow inflammation) |
| 4/15 | Ryan Borucki, P | Transferred to 60-Day IL (Left elbow pain) |
| 4/15 | Eric Sogard, 2B | Purchased From Minors |
| 4/14 | Lourdes Gurriel Jr., 2B | Sent to Minors |
| 4/13 | Clay Buchholz, P | Removed From 10-Day IL (Right flexor strain) |
| 4/13 | Clay Buchholz, P | Recalled From Minors Rehab Assignment |
| 4/12 | Ryan Tepera, P | Sent to Minors For Rehabilitation |
| 4/12 | Richard Ureña, SS | Sent to Minors |
| 4/7 | Clay Buchholz, P | Sent to Minors For Rehabilitation |
Washington
| Date | Player | Transactions |
| 4/19 | Austin Adams, P | Called Up from Minors |
| 4/19 | Austen Williams, P | Placed on 10-Day IL (Sprained AC joint, right shoulder) |
| 4/15 | Dan Jennings, P | Signed to a Minor League Contract |
| 4/13 | Justin Miller, P | Placed on 10-Day IL (Lower back strain) |
| 4/13 | Austen Williams, P | Called Up from Minors |
| 4/8 | Andrew Stevenson, LF | Sent to Minors |
| 4/8 | Michael A. Taylor, CF | Recalled From Minors Rehab Assignment |
| 4/8 | Michael A. Taylor, CF | Removed From 10-Day IL (Sprained left knee/hip) |
| 4/7 | Joe Ross, P | Called Up from Minors |
| 4/7 | Adrián Sanchez, 3B | Sent to Minors |
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