Cardinals vs. Phillies prediction: Why Philadelphia is favored to win Saturday's MLB matchup [8/22/2026]

The Philadelphia Phillies will take on the St. Louis Cardinals in MLB action at Citizens Bank Park on Saturday, beginning at 6:05 PM ET.

The Phillies will send Andrew Painter (2-8, 6.43 ERA) to the mound, while the Cardinals have opted for Quinn Mathews (0-1, 3.00 ERA).

Dimers' advanced MLB model projects the Phillies as the most likely winner in this Cardinals vs. Phillies prediction.

This article offers an expanded analysis of Saturday's matchup, including best bets and picks.

Cardinals vs. Phillies prediction: Who will win and cover?

Using innovative machine learning and data, we have simulated the outcome of Saturday's MLB matchup between the Cardinals and Phillies, forming part of our MLB predictions coverage.

Our famous predictive model currently gives the Phillies a 59.5% chance of beating the Cardinals.

According to our model, the Cardinals (+1.5) have a 58.6% chance of covering the run line, while the 8.5-run over/under has a 57.6% chance of going over.

Cardinals vs. Phillies odds [8/22/2026]

We have researched the best MLB odds in America for this game, which are listed here:

• Run Line: Cardinals +1.5 (-133) / Phillies -1.5 (+138)
• Moneyline: Cardinals +150, Phillies -150

All odds are correct at the time of publication and are subject to change.

Cardinals vs. Phillies picks and best bet

After matching our predictions against the best current odds, we can reveal our picks for each of the major markets in this matchup. Plus, find our best bet for the game below:

• Run line: Cardinals +1.5 @ -133 via DraftKings
• Moneyline: Cardinals @ +150 via Polymarket
• Total: Over 8.5 @ -122 via Polymarket

According to our best MLB bets, the top play to make on this game is Over 8.5 total runs.

These picks are based on our probabilities matched against the implied probabilities from the sportsbook odds.

Cardinals vs. Phillies game-day updates and essential details

Saturday's MLB game between the Phillies and Cardinals at Citizens Bank Park is scheduled to start at 6:05 PM ET.

• Who: St. Louis Cardinals vs. Philadelphia Phillies
• Date: Saturday, August 22, 2026
• Time: 6:05 PM ET/3:05PM PT
• Venue: Citizens Bank Park

Conclusion

We predict the Phillies, with a 59.5% win probability, will likely beat the Cardinals in Saturday's MLB matchup.

Additional tools and information for betting safely can be found in our Responsible Gambling hub.