With Dominic Smith set to be non-tendered, and Jacob deGrom, Brandon Nimmo and Seth Lugo all free agents, the longest-tenured Met is currently... Tomás Nido.

1. Tomás Nido, 9/13/17
2. Luis Guillorme, 5/11/18
3. Jeff McNeil, 7/24/18

— Anthony DiComo (@AnthonyDiComo) November 18, 2022