While Seattle’s options are still quite open in the 2025 MLB winter meetings, some moves around the rest of the league have set the guiderails for what the Mariners can and can’t do when it comes to their offseason targets.

While the bullpen largely served as a strength for the Mariners in 2025, it wasn’t good enough when it mattered most in Game 7 of the ALCS. Who could Seattle target to further bolster the pen this winter?