Mets Roster & Staff
Transactions
| Date | Transaction |
| 04/18/24 | New York Mets optioned RHP Grant Hartwig to Syracuse Mets. |
| 04/18/24 | New York Mets optioned RHP Grant Hartwig to Syracuse Mets. |
| 04/17/24 | New York Mets sent RHP Sean Reid-Foley on a rehab assignment to Syracuse Mets. |
| 04/17/24 | New York Mets designated LHP Tyler Jay for assignment. |
| 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 Grant Hartwig from Syracuse Mets. |
| 04/14/24 | New York Mets optioned LHP Tyler Jay to Syracuse Mets. |
| 04/14/24 | New York Mets optioned RHP Cole Sulser to Syracuse Mets. |
| 04/14/24 | New York Mets recalled RHP José Buttó from Syracuse Mets. |
| 04/11/24 | New York Mets traded RHP Yohan Ramírez to Baltimore Orioles for cash. |
| 04/11/24 | New York Mets sent RHP Julio Teheran outright to Syracuse Mets. |
| 04/11/24 | Chicago Cubs traded C Joe Hudson to New York 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 signed free agent RHP Julio Teheran. |
| 04/05/24 | New York Mets designated RHP Michael Tonkin for assignment. |
| 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. |