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Rockies at Tigers: September 12 Preview and Betting Pass
The Colorado Rockies visit the Detroit Tigers on September 12, 2026, in an MLB matchup. Fantasy Alarm’s probable-starter list names Tanner Gordon for Colorado and Andrew Sears for Detroit. Those listings establish the expected matchup, with neither pitcher treated here as a confirmed starter.
FantasyPros reported that Sears was expected to start against Colorado after rejoining Detroit, replacing Keider Montero during Montero’s paternity leave. Sears allowed one run on four hits and two walks across 5 2/3 innings at Cleveland on September 4, striking out four. Purple Row lists Gordon at 1-4 with a 5.40 ERA. These different snapshots are insufficient to establish a reliable comparative pitching advantage.
Detroit won the September 11 series opener 6-2. According to Purple Row, Colorado out-hit the Tigers 10-5 but finished 2-for-8 with runners in scoring position and produced no extra-base hits.
Colorado’s bullpen surrendered five runs on three hits, three walks and a hit batter without recording a strikeout. Dillon Dingler hit a two-run homer during Detroit’s five-run sixth inning. Those details explain the opener’s result, but a single game does not establish how either offense or bullpen will perform Saturday.
Detroit is the moneyline favorite at -170, while Colorado is +145. The run lines are Colorado +1.5 (-150) and Detroit -1.5 (+125). The total is 8.5, with over 8.5 (-110) and under 8.5 (-110).
The available results do not support an independent win estimate, projected score or recommendation at those prices. Sears’ September 4 outing and Detroit’s opening win provide context, but neither establishes betting value. The final call is Pass across the moneyline, run line and total.