Mets Roster & Staff
Transactions
| Date | Transaction |
| 01/30/24 | New York Mets signed free agent RHP Adam Ottavino. |
| 01/30/24 | New York Mets designated C Tyler Heineman for assignment. |
| 01/19/24 | New York Yankees claimed SS Diego Castillo off waivers from New York Mets. |
| 01/18/24 | New York Mets signed free agent 3B José Rondón to a minor league contract. |
| 01/16/24 | C Austin Allen roster status changed by New York Mets. |
| 01/16/24 | New York Mets signed free agent C Austin Allen to a minor league contract. |
| 01/16/24 | New York Mets traded C Cooper Hummel to San Francisco Giants for cash. |
| 01/15/24 | New York Mets signed free agent RHP Maxgregori Harvey to a minor league contract. |
| 01/15/24 | New York Mets signed free agent SS Starling Fernandez to a minor league contract. |
| 01/15/24 | New York Mets signed free agent OF Rocky Solano to a minor league contract. |
| 01/15/24 | New York Mets signed free agent RHP Leyvi Rodriguez to a minor league contract. |
| 01/15/24 | New York Mets signed free agent C Josmir Reyes to a minor league contract. |
| 01/15/24 | New York Mets signed free agent SS Leandy Mella to a minor league contract. |
| 01/15/24 | New York Mets signed free agent OF Fidel Pinango to a minor league contract. |
| 01/15/24 | New York Mets signed free agent OF Anthony Delgado to a minor league contract. |
| 01/15/24 | New York Mets signed free agent LHP Luis Montero to a minor league contract. |
| 01/15/24 | New York Mets signed free agent OF Franklin Candelario to a minor league contract. |
| 01/15/24 | New York Mets signed free agent 3B Roybert Herrera to a minor league contract. |
| 01/15/24 | New York Mets signed free agent C Yovanny Rodriguez to a minor league contract. |
| 01/15/24 | New York Mets signed free agent OF Vladi Guerrero to a minor league contract. |
| 01/15/24 | New York Mets signed free agent 2B Yolmer Sánchez to a minor league contract. |
| 01/15/24 | New York Mets signed free agent SS Yensi Rivas to a minor league contract. |
| 01/15/24 | New York Mets signed free agent LHP Angel De La Rosa to a minor league contract. |
| 01/15/24 | New York Mets signed free agent SS Leiner Ramirez to a minor league contract. |
| 01/15/24 | New York Mets signed free agent OF Edward Lantigua to a minor league contract. |
| 01/15/24 | New York Mets signed free agent SS Diover De Aza to a minor league contract. |
| 01/15/24 | 2B Yolmer Sánchez roster status changed by New York Mets. |
| 01/15/24 | New York Mets signed free agent OF Jonnhan Sanchez to a minor league contract. |
| 01/15/24 | New York Mets signed free agent OF Bohan Adderley to a minor league contract. |
| 01/12/24 | LHP Danny Young roster status changed by New York Mets. |
| 01/12/24 | New York Mets signed free agent LHP Sean Manaea. |
| 01/12/24 | New York Mets designated C Cooper Hummel for assignment. |
| 01/12/24 | New York Mets signed free agent LHP Danny Young to a minor league contract. |
| 01/12/24 | New York Mets claimed RHP Max Kranick off waivers from Pittsburgh Pirates. |
| 01/10/24 | New York Mets signed free agent RHP Yacksel Ríos to a minor league contract. |
| 01/10/24 | RHP Yacksel Ríos roster status changed by New York Mets. |
| 01/05/24 | New York Mets signed free agent CF Harrison Bader. |
| 01/05/24 | New York Mets claimed SS Diego Castillo off waivers from Arizona Diamondbacks. |