Mets Roster & Staff
Transactions
| Date | Transaction |
| 12/17/25 | New York Mets claimed C Drew Romo off waivers from Baltimore Orioles. |
| 12/16/25 | New York Mets signed free agent RHP Zach Peek to a minor league contract. |
| 12/16/25 | New York Mets signed free agent 2B Jorge Polanco. |
| 12/12/25 | New York Mets signed free agent RHP Isaac De La Cruz to a minor league contract. |
| 12/11/25 | New York Mets signed free agent RHP Arnaldo Tejeda to a minor league contract. |
| 12/11/25 | New York Mets signed free agent LHP Cristopher Hernandez to a minor league contract. |
| 12/10/25 | New York Mets purchased contract of LHP Aaron Rozek in the Rule 5 Draft, AAA Phase. |
| 12/10/25 | Colorado Rockies purchased contract of RHP TJ Shook in the Rule 5 Draft, AAA Phase. |
| 12/10/25 | Houston Astros purchased contract of RHP Trey McLoughlin in the Rule 5 Draft, AAA Phase. |
| 12/10/25 | Washington Nationals purchased contract of RHP Dylan Tebrake in the Rule 5 Draft, AAA Phase. |
| 12/10/25 | New York Mets purchased contract of RHP Justin Armbruester in the Rule 5 Draft, AAA Phase. |
| 12/10/25 | New York Mets purchased contract of LHP Matt Turner in the Rule 5 Draft, AAA Phase. |
| 12/08/25 | New York Mets signed free agent RHP Daniel Duarte to a minor league contract. |
| 12/08/25 | New York Mets signed free agent RHP Carl Edwards Jr. to a minor league contract. |
| 12/05/25 | New York Mets claimed RHP Cooper Criswell off waivers from Boston Red Sox. |
| 12/03/25 | New York Mets signed free agent RHP Devin Williams. |