Mets Roster & Staff
Transactions
| Date | Transaction |
| 02/28/26 | SS Antonio Jimenez assigned to New York Mets. |
| 02/28/26 | 2B Mitch Voit assigned to New York Mets. |
| 02/27/26 | C Jose Aular assigned to New York Mets. |
| 02/26/26 | 2B D'Andre Smith assigned to New York Mets. |
| 02/26/26 | 2B Sam Robertson assigned to New York Mets. |
| 02/24/26 | LHP Colton Cosper assigned to New York Mets. |
| 02/24/26 | C Ronald Hernandez assigned to New York Mets. |
| 02/24/26 | OF Randy Guzman assigned to New York Mets. |
| 02/24/26 | RHP Bryce Conley assigned to New York Mets. |
| 02/24/26 | OF Yohairo Cuevas assigned to New York Mets. |
| 02/23/26 | RHP Josh Blum assigned to New York Mets. |
| 02/23/26 | RHP Hoss Brewer assigned to New York Mets. |
| 02/23/26 | New York Mets signed free agent RHP Danis Correa to a minor league contract. |
| 02/23/26 | LHP Jefry Yan assigned to New York Mets. |
| 02/22/26 | RHP Carlos Guzman assigned to New York Mets. |
| 02/22/26 | LHP Gregori Louis assigned to New York Mets. |
| 02/22/26 | RHP Jordan Geber assigned to New York Mets. |
| 02/22/26 | 1B JT Schwartz assigned to New York Mets. |
| 02/22/26 | RF John Bay assigned to New York Mets. |
| 02/22/26 | C Onix Vega assigned to New York Mets. |
| 02/22/26 | RHP Douglas Orellana assigned to New York Mets. |
| 02/22/26 | RHP Cristofer Gomez assigned to New York Mets. |
| 02/21/26 | SS Kevin Villavicencio assigned to New York Mets. |
| 02/21/26 | SS Yonny Hernández assigned to New York Mets. |
| 02/21/26 | RF Eli Serrano III assigned to New York Mets. |
| 02/21/26 | SS Wyatt Young assigned to New York Mets. |
| 02/21/26 | 3B Nick Lorusso assigned to New York Mets. |
| 02/21/26 | LF Diego Mosquera assigned to New York Mets. |
| 02/21/26 | SS Trey Snyder assigned to New York Mets. |
| 02/21/26 | RHP Ben Simon assigned to New York Mets. |
| 02/21/26 | LHP Aaron Rozek assigned to New York Mets. |
| 02/21/26 | LHP Trey McGough assigned to New York Mets. |
| 02/21/26 | RHP Brian Metoyer assigned to New York Mets. |
| 02/21/26 | LF Matt Rudick assigned to New York Mets. |
| 02/21/26 | RHP Saul Garcia assigned to New York Mets. |
| 02/21/26 | C Francisco Toledo assigned to New York Mets. |
| 02/21/26 | RHP Brett Banks assigned to New York Mets. |
| 02/20/26 | New York Mets signed free agent LHP Gabriel Rodriguez to a minor league contract. |
| 02/20/26 | New York Mets signed free agent RHP Bryce Conley to a minor league contract. |
| 02/19/26 | New York Mets signed free agent RF Mike Tauchman to a minor league contract. |
| 02/18/26 | New York Mets signed free agent OF Trey Rutledge to a minor league contract. |
| 02/15/26 | New York Mets placed RHP Dedniel Núñez on the 60-day injured list. Tommy John surgery recovery. |
| 02/15/26 | New York Mets claimed C Ben Rortvedt off waivers from Los Angeles Dodgers. |
| 02/12/26 | New York Mets signed free agent LF MJ Melendez. |
| 02/12/26 | New York Mets placed RHP Tylor Megill on the 60-day injured list. Right elbow sprain. |
| 02/10/26 | New York Mets placed RHP Reed Garrett on the 60-day injured list. |
| 02/10/26 | Chicago White Sox traded LHP Bryan Hudson to New York Mets for cash. |
| 02/09/26 | New York Mets invited non-roster LHP Anderson Severino to spring training. |
| 02/09/26 | RHP Dylan Ross changed number to 66. |
| 02/09/26 | New York Mets invited non-roster 1B Ryan Clifford to spring training. |
| 02/09/26 | New York Mets invited non-roster RHP Jack Wenninger to spring training. |
| 02/09/26 | New York Mets invited non-roster RHP Adbert Alzolay to spring training. |
| 02/09/26 | RHP Justin Hagenman changed number to 47. |
| 02/09/26 | New York Mets invited non-roster C Kevin Parada to spring training. |
| 02/09/26 | New York Mets invited non-roster LHP Joe Jacques to spring training. |
| 02/09/26 | New York Mets invited non-roster LF A.J. Ewing to spring training. |
| 02/09/26 | New York Mets invited non-roster C Chris Suero to spring training. |
| 02/09/26 | New York Mets invited non-roster RHP Ryan Lambert to spring training. |
| 02/09/26 | New York Mets invited non-roster LHP Brandon Waddell to spring training. |
| 02/09/26 | New York Mets invited non-roster 3B Jacob Reimer to spring training. |
| 02/09/26 | New York Mets invited non-roster OF Carson Benge to spring training. |
| 02/09/26 | C Hayden Senger changed number to 6. |
| 02/09/26 | RHP Tylor Megill changed number to 58. |
| 02/03/26 | 3B Grae Kessinger roster status changed by New York Mets. |
| 02/03/26 | New York Mets signed free agent 3B Grae Kessinger to a minor league contract. |