Boston Red Sox at Seattle Mariners: final score & closing odds

Boston Red Sox

31-44

Final

Sun, Jun 21, 2026 · 4:10 PM ET

T-Mobile Park

Seattle, Washington

MLB.TV, Mariners.TV, NESN

Seattle Mariners

40-39

Final score

Final: Boston Red Sox 1, Seattle Mariners 3. Closing lines not recorded.

Closing lines

Closing lines not recorded

Built from LineSmart data refreshed Sun, Nov 1, 2026 · 2:49 AM ET. Odds are for reference and may change; confirm with the sportsbook. For adults 21+.

Teams

More Red Sox at Mariners

Boston Red Sox at New York Yankees BOS 2, NYY 9
Boston Red Sox at New York Yankees BOS 0, NYY 9
Los Angeles Angels at Seattle Mariners LAA 3, SEA 7
Chicago Cubs vs Boston Red Sox CHC 6, BOS 2
Los Angeles Angels at Seattle Mariners LAA 4, SEA 8
Los Angeles Angels at Seattle Mariners LAA 7, SEA 5
Chicago Cubs at Boston Red Sox CHC 0, BOS 2
Chicago Cubs at Boston Red Sox CHC 3, BOS 4
Los Angeles Angels at Seattle Mariners LAA 6, SEA 4
Cleveland Guardians at Boston Red Sox CLE 1, BOS 0

Other MLB games on Jun 21

Cincinnati Reds at New York Yankees CIN 4, NYY 1
Milwaukee Brewers at Atlanta Braves MIL 9, ATL 4
Chicago White Sox at Detroit Tigers CHW 4, DET 5 (10 inn)
San Francisco Giants at Miami Marlins SF 1, MIA 2
Washington Nationals at Tampa Bay Rays WSH 3, TB 4
Cleveland Guardians at Houston Astros CLE 1, HOU 2
St. Louis Cardinals at Kansas City Royals STL 12, KC 10
Toronto Blue Jays at Chicago Cubs Sun, Jun 21 · 2:20 PM ET
San Diego Padres at Texas Rangers SD 3, TEX 4
Pittsburgh Pirates at Colorado Rockies PIT 8, COL 6