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On June 20, 2026, the Boston Red Sox face the Seattle Mariners at T-Mobile Park in Seattle, WA, in an MLB regular season game broadcast on NESN. The prediction model favors Seattle to cover the -1.5 spread with a 62.7% probability and an expected value of 26.2%. However, Boston is predicted to score higher (4.25) than Seattle (3.91), suggesting a close contest. Hitters' performance against right-handed pitchers is a key factor, as Seattle's starting pitcher is right-handed. Our picks have shown a 58.7% hit rate in similar matchups over the last 10 games, supporting confidence in these betting tips. For more comprehensive analysis, visit our MLB picks and predictions.
ATLB. Elder (R) 48-279% -126Bookmaker | |||||||
NYYE. Rodríguez (R) 46-2933% -104Bet105 | |||||||
MIAR. Gusto (R) 39-3887% +133Everygame | |||||||
![]() DETK. Montero (R) 32-4436% -110Bet105 | |||||||
TBN. Martinez (R) 42-3111% -129BetOnline | |||||||
HOUK. Teng (R) 36-4210% -125Bet105 | |||||||
KCS. Kolek (R) 32-4543% +110Everygame | |||||||
![]() CHCS. Imanaga (L) 40-3767% +111Everygame | |||||||
![]() TEXN. Eovaldi (R) 36-40- -141Bet105 | |||||||
![]() COLM. Lorenzen (R) 30-47100% +130Everygame | |||||||
![]() ATHJ. Perkins (R) 38-3950% -121BetOnline | |||||||
SEAL. Gilbert (R) 39-390% -132Bet105 | |||||||
LADE. Sheehan (R) 49-288% -205BetOnline | |||||||
PHIZ. Wheeler (R) 41-350% -190BetOnline |