MLB AI REPORT 21 June 2026 1 min read

Boston Red Sox Demolish Seattle Mariners 5-1: Full Match Report — MLB

MLB21 June 2026

Seattle Mariners

1 – 5

Boston Red Sox

The Boston Red Sox delivered a crushing 5-1 defeat to the Seattle Mariners on June 21, 2026, a result that sends a clear message across Major League Baseball. This dominant road performance solidifies the Red Sox’s push for a postseason berth, showcasing their renewed offensive power and impenetrable pitching. For the Mariners, it was another frustrating setback at home, highlighting their

FANTASY SPORTS

Turn This Analysis Into Wins on DraftKings

Join 2M+ fantasy players. Free entry for new users. Use our AI picks to build your lineup.

PLAY ON DRAFTKINGS → TRY FANDUEL →

18+ only. Gambling can be addictive. T&Cs apply. SA Helpline: 0800 006 008 | US: 1-800-522-4700

Read all MLB coverage on SportsPulse →