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MLB Betting Preview: Toronto Blue Jays at Seattle Mariners

James Murphy
by in MLB on

The Blue Jays and Mariners square off in a matchup that has become increasingly important for AL Wild Card positioning. Seattle opens as a -130 home favorite, Toronto sits at +110, and the total is listed around 7.5 — one of the lower totals of the week, and for good reason.

Seattle sends one of the league’s top young right-handers to the mound. His fastball carries elite life at the top of the zone, and his slider generates one of MLB’s highest whiff rates. Against a Toronto lineup that has been inconsistent, especially against high-velocity pitching, this matchup heavily favors Seattle’s starter.

Toronto counters with a veteran right-hander who relies on location and sequencing. When he commands his fastball to both edges, he can frustrate hitters for six or seven innings. But when his command wavers, he becomes homer-prone, especially in counts where hitters sit on predictable pitches.

Seattle’s offense isn’t elite but has improved significantly in plate discipline. They draw walks, stretch at-bats, and punish mistakes. Toronto’s offense, meanwhile, has suffered through prolonged stretches of weak contact and low power output.

The total at 7.5 suggests a pitcher’s duel, and that feels accurate. Seattle’s ballpark suppresses home runs, and both starters are capable of keeping the game scoreless through the early innings.

The bullpens may ultimately decide the outcome. Seattle’s bullpen ranks among the league’s best in ERA and leverage performance. Toronto’s bullpen is talented but inconsistent in high-pressure situations.

Prediction: Mariners -130

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