Predictions for Rockies versus Cardinals Game on Tuesday, August 12, including Favorites and Odds
The St. Louis Cardinals will host the Colorado Rockies on August 12, 2025, at Busch Stadium, with the game scheduled to start at 7:45 p.m. EDT. The key player prop prediction for Matthew Liberatore, the Cardinals' starting pitcher, is that he will record fewer than 3.5 strikeouts, with betting odds around +130 (BetMGM).
Liberatore, who has a 2025 season ERA of about 3.98 but an expected ERA (xERA) of 4.50, has struggled in his last three outings. He has failed to complete five innings in each of these games, giving up nine runs in total. His strikeout rate against right-handed batters since June is 13.4%, a significant drop from his previous performances.
Despite these struggles, Liberatore excels at limiting walks to left-handed batters. In the 2024 season, he walked only 3% of lefties, ranking among the best relievers in MLB for this metric. His strikeout-to-walk ratio against lefties was very strong at 7.8, far above league average.
The Colorado Rockies lineup is currently struggling significantly, with a very poor overall record and a high strikeout rate (second-most in MLB). This aligns with the cautious strikeout prop on Liberatore, as the Rockies' offensive profile may contribute to a lower strikeout total.
Liberatore's team, the Cardinals, are favoured at home, and his team's record when he starts is mixed; they are 4-9 overall but 10-11 against the spread this season with him on the mound. The opposing Rockies starter, Kyle Freeland, has had a difficult season (2-12, 5.53 ERA), so scoring might be limited on either side, further supporting a cautious strikeout prop on Liberatore.
The Colorado Rockies have a surprisingly difficult matchup against left-handed pitchers, with the fifth-lowest strikeout percentage among MLB lineups against southpaws since June. The game will be broadcast on COLR. The Cardinals' spread is -1.5+115, total is 8.5-105o / -115u, and moneyline is -190.
[1] The key player prop prediction for Matthew Liberatore in the August 12, 2025, Colorado Rockies vs. St. Louis Cardinals game is under 3.5 strikeouts, with betting odds around +130 (BetMGM). This suggests expectations of a relatively low-strikeout performance by Liberatore in this matchup.
[2] Data from Fangraphs and Baseball-Reference.
[3] Data from Statcast and Baseball Savant.
[4] Data from Covers.com.
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