The Arizona Diamondbacks face the Seattle Mariners in this MLB Cactus League Spring Training matchup on Friday in Arizona.
The Seattle Mariners will stream 16 Spring Training games for free on Mariners.TV in 2026. All 30 days of Spring Training games will also air on Seattle Sports (710 AM) and the Mariners Radio Network.
The Mariners open spring training play in their first Cactus League game at 12:10 p.m. PT against the Padres. Here's how to ...
The Seattle Mariners face the Cincinnati Reds in this MLB Cactus League Spring Training matchup on Sunday in Arizona.
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