Betting Trends: Toronto Blue Jays vs Seattle Mariners

The Toronto Blue Jays vs Seattle Mariners showdown on October 17, 2025, at T-Mobile Park in Seattle, WA, offers a thrilling MLB matchup. Broadcast on FOX Sports 1, this Game 5 of the series promises plenty of action as both teams battle to take the series lead.

Righty Bryce Miller (2.613 ERA, 0.871 WHIP) toes the rubber for Seattle. Through 6.1 innings this postseason, he has struck out 25 batters (10.2 K/9) with a SIERA of 2.98, limiting left-handed hitters to a .200 average and righties to .235. Opposing him is RHP Kevin Gausman (2.382 ERA, 0.882 WHIP), whose 9.5 K/9 strikeout rate and 3.10 SIERA highlight his dominance, holding left-handers to a .205 mark and righties to .260. These pitching matchups set the stage for key game insights in a low-scoring affair.

The Blue Jays enter at 99–71 SU and 94–76 ATS, while the Mariners are 95–76 SU and 75–96 ATS, evident on our MLB standings page. Toronto is shorthanded with Bo Bichette and Ty France sidelined, impacting its infield depth, while Seattle boasts a healthy lineup. In their last matchup on October 16, 2025, the Blue Jays cruised to an 8–2 victory. The moneyline sits at -110 for both sides, the spread is Toronto -1.5 (+158) vs Seattle +1.5 (-190) at Caesars, and the total is set at 7 runs.

Considering the starting pitchers and recent offensive trends, the best bet is the Under 7 runs at -110, projecting a pitchers’ duel. Ready to bet smarter? Start your OddsTrader Turbo subscription now or place a wager with a U.S. regulated sportsbook and leverage these betting trends to gain the edge.