The Mariners' current roster is hiding a potentially huge 2026 advantage

Division Series - Detroit Tigers v Seattle Mariners - Game Five | Steph Chambers/GettyImagesAfter finishing one win shy of the World Series, Mariners fans have spent this offseason asking the only question that matters: who are they adding to keep the chase alive? It’s fair, and even Ryan Divish’s latest “they’re still motivated” pulse-check basically reinforces that the front office doesn’t view the roster as finished yet.

But the more interesting question might be the one nobody wants to say out loud because it sounds like tempting fate: What if Seattle’s biggest 2026 upgrade is already in the building?

Not in the corny “internal options!” way. In the real way, the kind where a good team…