Seattle Mariners, White Sox and Spring Training
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The Seattle Mariners face the Cincinnati Reds in this MLB Cactus League Spring Training matchup on Sunday in Arizona.
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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.
Seattle Mariners star outfielder Julio Rodriguez shifts from a chip-on-shoulder edge to trusting himself after a career-high 2025 season.
The Seattle Mariners began the Spring Training schedule by defeating their Peoria, Arizona, roommates, the San Diego Padres, 7-4 on Friday afternoon
Michael Arroyo has begun the spring on fire. Soon, the top-100 prospect will leave the Seattle Mariners to play in the World Baseball Classic for Colombia. He certainly looks ready. MLB.com's Sam Dykstra listed Arroyo as one of the five prospects off to the best start in the very early stages of Spring Training.
In Friday's spring training opener, we got the full Michael Arroyo experience for the Seattle Mariners. Arroyo, not known as a great defender, misplayed a ball at second base, but he also made up for it by rocketing two balls at the plate.
Seattle Mariners infield prospect Michael Arroyo put on a show in his first spring training game of 2026, hitting a home run and double.