Mets Roster & Staff
Transactions
| Date | Transaction |
| 05/30/25 | New York Mets optioned LHP Brandon Waddell to Syracuse Mets. |
| 05/30/25 | New York Mets recalled RHP Chris Devenski from Syracuse Mets. |
| 05/28/25 | New York Mets sent LF José Azocar outright to Syracuse Mets. |
| 05/26/25 | New York Mets sent LHP Génesis Cabrera outright to Syracuse Mets. |
| 05/24/25 | New York Mets sent RHP Frankie Montas on a rehab assignment to Brooklyn Cyclones. |
| 05/24/25 | New York Mets designated LHP Génesis Cabrera for assignment. |
| 05/24/25 | New York Mets sent RHP Frankie Montas on a rehab assignment to Brooklyn Cyclones. |
| 05/24/25 | New York Mets designated LF José Azocar for assignment. |
| 05/24/25 | New York Mets recalled LHP Brandon Waddell from Syracuse Mets. |
| 05/24/25 | New York Mets recalled 1B Jared Young from Syracuse Mets. |
| 05/22/25 | New York Mets traded SS Diego A. Castillo to Kansas City Royals. |
| 05/21/25 | New York Mets sent RHP Paul Blackburn on a rehab assignment to Syracuse Mets. |
| 05/18/25 | Atlanta Braves claimed RHP Kevin Herget off waivers from New York Mets. |
| 05/17/25 | New York Mets activated SS Ronny Mauricio from the 10-day injured list. |
| 05/17/25 | New York Mets activated LHP José Castillo. |
| 05/17/25 | New York Mets optioned SS Ronny Mauricio to Syracuse Mets. |
| 05/17/25 | New York Mets optioned RHP Dedniel Núñez to Syracuse Mets. |
| 05/16/25 | New York Mets sent RHP Paul Blackburn on a rehab assignment to Binghamton Rumble Ponies. |
| 05/16/25 | New York Mets sent RHP Paul Blackburn on a rehab assignment to Binghamton Rumble Ponies. |
| 05/15/25 | New York Mets designated RHP Kevin Herget for assignment. |
| 05/15/25 | Arizona Diamondbacks traded LHP José Castillo to New York Mets for cash. |
| 05/09/25 | New York Mets sent SS Ronny Mauricio on a rehab assignment to Binghamton Rumble Ponies. |
| 05/09/25 | New York Mets sent SS Ronny Mauricio on a rehab assignment to Binghamton Rumble Ponies. |
| 05/07/25 | New York Mets signed free agent RHP Anderson Ozuna to a minor league contract. |
| 05/07/25 | New York Mets signed free agent RHP Henderson Hernandez to a minor league contract. |
| 05/07/25 | New York Mets signed free agent LHP Colin Poche to a minor league contract. |
| 05/06/25 | New York Mets sent RHP Paul Blackburn on a rehab assignment to Syracuse Mets. |
| 05/06/25 | New York Mets sent RHP Paul Blackburn on a rehab assignment to Syracuse Mets. |
| 05/05/25 | New York Mets placed LF Jesse Winker on the 10-day injured list. Right oblique strain. |
| 05/05/25 | New York Mets recalled 2B Brett Baty from Syracuse Mets. |
| 05/05/25 | New York Mets optioned RHP Blade Tidwell to Syracuse Mets. |
| 05/05/25 | New York Mets optioned RHP Austin Warren to Syracuse Mets. |
| 05/04/25 | New York Mets transferred LHP Danny Young from the 15-day injured list to the 60-day injured list. Left elbow sprain. |
| 05/04/25 | New York Mets selected the contract of RHP Blade Tidwell from Syracuse Mets. |
| 05/04/25 | New York Mets recalled RHP Dedniel Núñez from Syracuse Mets. |
| 05/02/25 | New York Mets optioned RHP Ty Adcock to Syracuse Mets. |
| 05/02/25 | New York Mets recalled RHP Austin Warren from Syracuse Mets. |
| 05/01/25 | New York Mets transferred LHP A.J. Minter from the 15-day injured list to the 60-day injured list. Left lat strain. |
| 05/01/25 | New York Mets transferred RHP Frankie Montas from the 15-day injured list to the 60-day injured list. Right lat strain. |
| 05/01/25 | New York Mets optioned RHP Chris Devenski to Syracuse Mets. |
| 05/01/25 | New York Mets sent RHP José Ureña outright to Syracuse Mets. |
| 05/01/25 | New York Mets optioned LHP Brandon Waddell to Syracuse Mets. |
| 05/01/25 | New York Mets selected the contract of RHP Ty Adcock from Syracuse Mets. |
| 05/01/25 | New York Mets selected the contract of LHP Génesis Cabrera from Syracuse Mets. |