Mets Roster & Staff
Transactions
| Date | Transaction |
| 04/30/24 | New York Mets activated LF Starling Marte from the bereavement list. |
| 04/30/24 | New York Mets optioned 3B Mark Vientos to Syracuse Mets. |
| 04/28/24 | New York Mets sent LHP David Peterson on a rehab assignment to St. Lucie Mets. |
| 04/28/24 | New York Mets selected the contract of LHP Danny Young from Syracuse Mets. |
| 04/28/24 | New York Mets optioned LHP Josh Walker to Syracuse Mets. |
| 04/27/24 | New York Mets sent RHP Tylor Megill on a rehab assignment to Brooklyn Cyclones. |
| 04/27/24 | New York Mets placed RHP Drew Smith on the 15-day injured list retroactive to April 24, 2024. Right shoulder soreness. |
| 04/27/24 | New York Mets sent RHP Tylor Megill on a rehab assignment to Brooklyn Cyclones. |
| 04/27/24 | New York Mets placed LF Starling Marte on the bereavement list. |
| 04/27/24 | New York Mets recalled RHP Dedniel Núñez from Syracuse Mets. |
| 04/27/24 | New York Mets recalled 3B Mark Vientos from Syracuse Mets. |
| 04/26/24 | New York Mets designated SS Zack Short for assignment. |
| 04/26/24 | New York Mets signed free agent 3B Mike Brosseau to a minor league contract. |
| 04/26/24 | New York Mets recalled DH J.D. Martinez from Syracuse Mets. |
| 04/25/24 | New York Yankees claimed RHP Michael Tonkin off waivers from New York Mets. |
| 04/24/24 | Texas Rangers claimed LHP Kolton Ingram off waivers from New York Mets. |
| 04/23/24 | New York Mets activated RHP Max Kranick from the 15-day injured list. |
| 04/23/24 | New York Mets optioned RHP Max Kranick to Syracuse Mets. |
| 04/22/24 | New York Mets activated RHP Sean Reid-Foley from the 15-day injured list. |
| 04/22/24 | New York Mets designated RHP Michael Tonkin for assignment. |
| 04/22/24 | New York Mets optioned RHP Grant Hartwig to Syracuse Mets. |
| 04/22/24 | New York Mets recalled LHP Josh Walker from Syracuse Mets. |
| 04/21/24 | New York Mets placed LHP Brooks Raley on the 15-day injured list. Left elbow inflammation. |
| 04/21/24 | New York Mets recalled RHP Grant Hartwig from Syracuse Mets. |
| 04/20/24 | New York Mets designated LHP Kolton Ingram for assignment. |
| 04/20/24 | New York Mets placed C Francisco Alvarez on the 10-day injured list. Left thumb sprain. |
| 04/20/24 | New York Mets selected the contract of C Tomás Nido from Syracuse Mets. |
| 04/19/24 | New York Mets activated RHP Michael Tonkin. |
| 04/19/24 | New York Mets sent LHP Tyler Jay outright to Syracuse Mets. |
| 04/18/24 | New York Mets optioned RHP Grant Hartwig to Syracuse Mets. |
| 04/17/24 | New York Mets designated LHP Tyler Jay for assignment. |
| 04/17/24 | New York Mets sent RHP Sean Reid-Foley on a rehab assignment to Syracuse Mets. |
| 04/17/24 | New York Mets claimed RHP Michael Tonkin off waivers from Minnesota Twins. |
| 04/16/24 | New York Mets sent RHP Max Kranick on a rehab assignment to Binghamton Rumble Ponies. |
| 04/14/24 | New York Mets sent RHP Sean Reid-Foley on a rehab assignment to Brooklyn Cyclones. |
| 04/14/24 | New York Mets recalled RHP José Buttó from Syracuse Mets. |
| 04/14/24 | New York Mets optioned LHP Tyler Jay to Syracuse Mets. |
| 04/14/24 | New York Mets recalled RHP Grant Hartwig from Syracuse Mets. |
| 04/14/24 | New York Mets optioned RHP Cole Sulser to Syracuse Mets. |
| 04/12/24 | New York Mets signed free agent OF Adolfo Miranda to a minor league contract. |
| 04/11/24 | New York Mets traded RHP Yohan Ramírez to Baltimore Orioles for cash. |
| 04/11/24 | Chicago Cubs traded C Joe Hudson to New York Mets. |
| 04/11/24 | New York Mets sent RHP Julio Teheran outright to Syracuse Mets. |
| 04/10/24 | New York Mets transferred RHP Kodai Senga from the 15-day injured list to the 60-day injured list. Right shoulder capsule strain. |
| 04/10/24 | New York Mets optioned RHP Dedniel Núñez to Syracuse Mets. |
| 04/10/24 | New York Mets selected the contract of LHP Tyler Jay from Syracuse Mets. |
| 04/09/24 | New York Mets designated RHP Julio Teheran for assignment. |
| 04/09/24 | New York Mets selected the contract of RHP Dedniel Núñez from Syracuse Mets. |
| 04/09/24 | New York Mets traded RHP Michael Tonkin to Minnesota Twins for cash. |
| 04/08/24 | New York Mets designated RHP Yohan Ramírez for assignment. |
| 04/08/24 | New York Mets designated RHP Yohan Ramírez for assignment. |
| 04/08/24 | New York Mets selected the contract of RHP Cole Sulser from Syracuse Mets. |
| 04/07/24 | New York Mets sent RHP Max Kranick on a rehab assignment to St. Lucie Mets. |
| 04/05/24 | New York Mets designated RHP Michael Tonkin for assignment. |
| 04/05/24 | New York Mets signed free agent RHP Julio Teheran. |
| 04/05/24 | New York Mets optioned RHP José Buttó to Syracuse Mets. |
| 04/04/24 | New York Mets activated RHP Yohan Ramírez. |
| 04/04/24 | New York Mets recalled RHP José Buttó from Syracuse Mets. |
| 04/01/24 | RHP Yohan Ramírez roster status changed by New York Mets. |
| 04/01/24 | New York Mets placed RHP Tylor Megill on the 15-day injured list. Right shoulder strain. |
| 04/01/24 | New York Mets recalled RHP Reed Garrett from Syracuse Mets. |