Boston Red Sox vs Tampa Bay Rays Predictions
Sunday, September 20, 2026 at 1:40pm EST at Tropicana Field, St. Petersburg, Florida
Rays
Who wins this game?
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Rays vs. Red Sox prediction: Boston's unannounced starter leaves a pass at -150
Analysis updated September 19, 2026 at 11:13 PM CDT
Griffin Jax's 3.80 ERA is only half the starting-pitching matchup. Boston's unanswered pitching questions make this a pass.
Pitching questions shape the wager
Griffin Jax is slated to start for Tampa Bay, while Boston had not announced its starter, according to WRAL / Associated Press, an AP report carried by the North Carolina broadcaster. The right-hander is 7-10 with a 3.80 ERA. SPF lists the Rays at -150 and the Red Sox at +124, but knowing only one starter doesn't establish a pitching advantage worth backing.
Boston closer Aroldis Chapman missed September 19 with lat tightness, the report said. His availability for the finale remains unconfirmed. Another absence would remove a late-inning option for Boston, but it can't be assumed when assessing Sunday's matchup.
The Rays won the previous game 2-1. That result alone doesn't support Tampa Bay's -1.5 run line or an under bet on SPF's 8.5 total, priced at -118 versus -102 for the over. Pass on this matchup; there's no supported score projection or independent winner pick.