Mariners open spring training with a win — and a loss in first automated ball-strike challenge

The technology for tracking balls and strikes and challenging the human umpires behind home plate is making its Major League Baseball debut this season.

Spring training update: Jose Miranda, Romeo Sanabria homer; Mason Miller hits 102 in Padres’ loss to Mariners

PEORIA, Ariz. — The Seattle Mariners beat the Padres 7-4 in Friday’s spring training opener for both teams at Peoria Stadium. Batter’s box: Homers by Romeo Sanabria and Jose Miranda accounted for the Padres’ first three runs.
Union-Bulletin

Mariners baseball returns to record spring training crowd for opening win

All week, the anticipation has been palpable at Mariners spring training. Folks are excited to see these guys, maybe more than any M’s squad since the late

Josh Naylor, Mariners' dog Tucker are Spring Training's best duo

The first baseman, who joined the Mariners just before the trade deadline in 2025, said Tucker helps lighten the team's day.

Mariners' Top Draft Pick is getting his first taste of pro ball at Spring Training

Plenty of players will get auditions for the big leagues as the Seattle Mariners hold their 2026 Spring Training camp in Peoria, Arizona, with some notable new
Seattle Sports

Drayer: Mariners give a different first impression this spring

Seattle Mariners insider Shannon Drayer's first impression at spring training: "It was like I was watching a different team."