Carlos Vargas' fluke injury opens door for potential Mariners secret weapon

It didn't take long for the Mariners to make their first roster move of the regular season. Hours before their second game of the year, they placed Carlos Vargas on the 15-day IL due to a right lat strain. In his place, Seattle has recalled Cole Wilcox, a right-handed reliever they acquired from the Rays in exchange for cash shortly after he was designated for assignment.

Wilcox spent most of 2025 with Triple-A Durham where he posted a 3.71 ERA and a 5.03 FIP over 51 innings. In his 8.1 innings of work in spring training with the Mariners, he flashed some impressive numbers, which could be why he's the first arm to be called up from the minors.

Mariners give Cole Wilcox his shot after a standout spring training

The velocity on his fastball averaged 97.1 mph, an impressive mark considering how early it is in the year. He averaged just 95.8 mph across his entire minor league season, so this jump in velocity (which may continue to increase as he gets into regular season form) could already lead to big improvements.

He also had impressive whiff (29.2) and strikeout rates (32.4) in spring, two crucial characteristics for any bullpen arm. His four-pitch arsenal is deeper than one might expect out of a reliever, and with the exception of his four-seam fastball, they all have impressive characteristics. His sinker particularly stood out in the Cactus League, posting an impressive chase rate of 38.5 and a whiff rate of 25.0. The whiff rate is an especially impressive figure given that sinkers typically land in the range of 10-20.

For Seattle, Carlos Vargas hitting the injured list isn't the end of the world but it is a sizable loss. He pitched more innings than anyone other than Eduard Bazardo and despite some less-than-stellar outings in spring training, he was showing signs of a possible breakout season in 2026. In the meantime, Wilcox will get a chance to prove his worth to the team and if he's unable to, he still has three options remaining. The Mariners can easily send him back down and call up someone else.

It's unfortunate that Seattle is already having to deal with pitching injuries this early in the regular season, but this is exactly why the team added pitching depth over the winter. They won't all be superstars, but even if players like Wilcox manage to simply hold down the fort, it should be enough for the team to keep their season intact.