How this match is broadcast across different countries.
Seattle Mariners vs Boston Red Sox is a MLB baseball fixture scheduled for Sunday, 21 June 2026 at 02:10 UTC. The MLB is United States's headline baseball competition and pulls a global audience of fans tracking results, table positions and qualification storylines. Baseball games are nine innings long with no clock, so close games can stretch deep into extra innings before a winner is decided. Allow around three hours for the full broadcast, including pre-match analysis and post-match reaction. The match is scheduled and broadcasters will confirm their final channel allocations closer to kick-off.
If you are watching from United States, your options for Seattle Mariners vs Boston Red Sox are Root Sports Northwest, Mariners.TV and NESN.
There is no confirmed free-to-air broadcaster for this fixture in United States, so a paid streaming or TV subscription is required for live coverage. Several services on the list below offer free trials that may cover this match's timeframe at no cost.
Pay-TV subscribers should check Root Sports Northwest, Mariners.TV and NESN for the live channel — typically added through a cable, satellite or IPTV package.
Always cross-check the match start time in your local timezone, since broadcasters list the kick-off in their own market's time and coverage often begins 15-30 minutes before the first whistle.
Major League Baseball is the top tier of professional baseball in North America, made up of 30 franchises in the American and National Leagues. Teams play a 162-game regular season before 12 sides enter the postseason, which culminates in the best-of-seven World Series in late October. Matches like Seattle Mariners vs Boston Red Sox can move table positions, decide qualification places and shape end-of-season storylines, which is why broadcaster coverage tends to grow as the campaign progresses.
