What time does Arizona Diamondbacks-Seattle Mariners MLB game start?
Kickoff is scheduled for Sunday, May 31, 2026 at 4:10 PM EDT at T-Mobile Park.
What channel is Arizona Diamondbacks vs. Seattle Mariners on tonight?
Broadcast partners for Seattle Mariners vs Arizona Diamondbacks are still being finalized. Check back soon and choose your preferred commentary language once listings appear.
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2026 Arizona Diamondbacks schedule
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2026 Seattle Mariners schedule
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2026 MLB team schedules: complete team-by-team schedule of games
Want the league-wide slate in one place? The MLB schedule hub lists every team's matchup in chronological order with national TV windows and streaming notes.