Fansided · Mar 8
Mariners' new spin artist is impressing the right people in spring training
Feb 20, 2026; Peoria, Arizona, USA; Seattle Mariners pitcher Cooper Criswell (18) throws in the fourth inning against the San Diego Padres during a Spring Training game at Peoria Sports Complex. Mandatory Credit: Matt Kartozian-Imagn Images | Matt Kartozian-Imagn ImagesEstablished superstars don't need to worry about using spring training to fight for a roster spot. Prospects can make a strong case but depending on roster availability, making the team may not be totally up to them. Of those that don't already have a guaranteed place on the team, the ones who have the best chance of getting called up are arguably relievers.