The Philadelphia Phillies are the clear moneyline side at -164 on DraftKings Sportsbook, with Zack Wheeler bringing a 2.69 ERA and 132 strikeouts into Wednesday's series finale. St. Louis counters with Michael McGreevy Leahy, who has an 8-4 record and 3.45 ERA, giving Philadelphia the more proven starting-pitcher profile.
The matchup also comes with a warm-weather setup at Busch Stadium, where temperatures should sit around 90°F to 91°F with roughly 8 mph winds. Bryce Harper's left knee soreness is another lineup factor for Philadelphia, while the Phillies are also without reliever Caleb Kilian after he went on the 15-day IL with a left oblique strain.
Phillies vs Cardinals Game Preview
Philadelphia enters the finale at 64-57, while St. Louis sits at 60-60. The Phillies are 11-13 since mid-July, but their rotation remains anchored by Wheeler's 10-3 record, 2.69 ERA and 132 strikeouts. The Cardinals have home-field position at Busch Stadium and are trying to finish the series with a strong result after Philadelphia's 6-5 win on August 10.
Philadelphia Phillies vs St. Louis Cardinals - FULL GAME HIGHLIGHTS 🔥 August 11, 2026 MLB Season
Wheeler gets the start for Philadelphia with a 10-3 record and 2.69 ERA. Leahy takes the ball for St. Louis at 8-4 with a 3.45 ERA and 99 strikeouts. Philadelphia's lineup also continues to manage Harper's knee soreness, while Luis Arráez's arrival has changed some of the club's defensive alignment and pushed Harper into more DH work.
Philadelphia's bullpen lost Kilian to the injured list on August 10 after an oblique strain. St. Louis has a thinner recent injury list, although Ramón Urías remains on the 60-day IL while completing a rehab assignment with Triple-A Memphis, and Max Rajcic is out for the season after UCL reconstruction surgery. Wednesday's 2:15 p.m. ET start also comes with hot, humid conditions and only about a 5% chance of rain.
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Moneyline Pick
Phillies ML is the side to take at -164 on DraftKings Sportsbook. Wheeler's 2.69 ERA and 132 strikeouts give Philadelphia a clear starting-pitcher advantage over Leahy's 3.45 ERA, and the Phillies are priced below the 50% range in the prediction market gap despite their stronger pitching profile.
The -164 price implies roughly a 62% break-even win rate before removing the sportsbook margin. Polymarket has Philadelphia at 60¢, so the market difference is small, but Wheeler remains the central reason to favor the Phillies in the matchup.
Pick:
Phillies ML (-164 at DraftKings Sportsbook).
Run Line Pick
Phillies -1.5 is the preferred run line, with the exact DraftKings Sportsbook price still to be supplied. Wheeler's 2.69 ERA gives Philadelphia a strong path to controlling the game early, while St. Louis must generate enough offense against one of the National League's better starting pitchers.
Pick:
Phillies -1.5 (TBD at DraftKings Sportsbook).
Best Player Prop
- Zack Wheeler strikeouts Over TBD (TBD at DraftKings Sportsbook).
Wheeler has recorded 132 strikeouts across his 2026 starts, and his 2.69 ERA supports an aggressive strikeout-based angle against a St. Louis lineup facing him in a warm Busch Stadium setting. The final strikeout line and price should be added once DraftKings posts the market.
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Game Total Pick
Under 8.5 runs is the preferred total. Wheeler's 2.69 ERA is the strongest number in this matchup, while Leahy enters with a solid 99 strikeouts and 3.45 ERA. Two starters with ERAs below 3.50 create a better run-prevention setup than the 90°F weather alone suggests.
The warm air and 8 mph wind can help the ball carry, but the pitching matchup remains the key factor. Polymarket prices the Under 8.5 at 55¢, while its Over 8.5 contract sits at 46¢, giving the lower-scoring outcome the stronger market probability.
Pick:
Under 8.5 (TBD at
DraftKings Sportsbook).
Best Trades for Phillies vs Cardinals
Prediction markets offer a useful second view of this matchup because their share prices show the crowd's estimated probability rather than a traditional sportsbook price. The strongest trades center on Philadelphia's starting-pitching edge and a lower-scoring game.
- Phillies game winner:
YES at 60¢ on Polymarket. Philadelphia's 60¢ price is close to the DraftKings Sportsbook moneyline implied probability, while Wheeler's 2.69 ERA gives the Phillies a strong foundation.
- Game total Under 8.5:
YES at 55¢ on Polymarket. Wheeler's 2.69 ERA and Leahy's 3.45 ERA support the lower-scoring side, even with temperatures around 90°F at first pitch.
- Extra innings:
NO at 93¢ on Polymarket. A 93¢ share price implies only a small probability of extra innings, and Wheeler's presence gives Philadelphia a strong chance to create separation before the game reaches the late stages.
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How to Watch Phillies vs Cardinals and Game Info
- Location:
Busch Stadium, St. Louis, MO
- Date:
Wednesday, August 12, 2026
- First pitch:
2:15 p.m. ET
- TV:
Cardinals.TV Presented by bet365, NBCSP.
- Phillies starting pitcher:
Zack Wheeler (10-3, 2.69 ERA).
- Cardinals starting pitcher:
Leahy (8-4, 3.45 ERA).
- Weather forecast:
90°F to 91°F, hot and humid, around 8 mph wind, approximately 5% chance of rain.
Final Takeaways
The Phillies have the clearest edge through Zack Wheeler, whose 132 strikeouts and 2.69 ERA give Philadelphia the stronger starting-pitcher matchup. The -164 DraftKings Sportsbook moneyline is the main play, while the Under 8.5 fits a game featuring Wheeler and Leahy. Hot conditions at Busch Stadium create some risk for extra offense, but the pitching matchup still points to a lower-scoring game.
Check the
latest odds and line movement
for Phillies vs Cardinals at betting.net
before placing your bets. All odds as of 2:43 a.m. ET on August 12, 2026. Odds sourced from DraftKings Sportsbook.
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