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MLB Prop Bets: Atlanta Braves vs Philadelphia Phillies (September 12, 2026)

The Philadelphia Phillies (82-66) face the Atlanta Braves (87-61) at Truist Park on Saturday at 7:15pm (ET). Let's take a look at the MLB Prop Bets for the matchup. Tyler Mahle is the probable pitcher for the Braves, while the Phillies' probable pitcher remains unclear. The Phillies opened as favorites but this has since changed, with the Braves coming into -117 and Phillies drifting to -103. The total runs line is set at 7.5, with OVER at -110 and UNDER at -110.

  • The Phillies (+154) have a 63-85 Run Line record this season, while the Braves (-188) hold a record of 80-68.
  • The Phillies have a 67-72-9 O/U record this season (meaning 67 games have gone over the total runs line, 72 have gone under and nine have resulted in a push). The Braves have a 65-73-10 O/U record.

Scoring Insights

  • The Phillies are averaging 4.5 runs per game this season (14th in the league). Comparatively, the Braves are averaging 4.6 (10th).
  • In the field, the Phillies are allowing 4.2 runs per game this season (10th in the league), while the Braves are allowing an average of 3.8 runs (3rd).

Let's take a look at how these teams perform in some other key statistical areas.

Batting Insights:

Batting Average

  • Looking at their batting averages this season, the Phillies are at .241 (ranking 19th in the Major leagues), while the Braves are batting .246 (13th).

Home Runs

  • In terms of total home runs this season, the Braves have hit 185 (7th in the Major Leagues). Meanwhile, the Phillies have managed 173 (12th).

Runs Batted In

  • Finally, looking at their runs batted in, the Phillies have recorded 644 RBIs to rank 12th in the MLB this season. Comparatively, the Braves have recorded 649 RBIs to rank 8th.

Pitching Insights:

Earned Run Average

  • The Braves have an earned run average of 3.57 this season (3rd in the Majors), while The Phillies have an ERA of 3.98 (11th).

Strikeouts

  • Turning our attention to total strikeouts, the Phillies have recorded 1443 this season, ranking 1st in the MLB. Meanwhile, the Braves rank 13th for total strikeouts, recording 1249.

Opponent Batting Average

  • Opponents are batting an average of .232 against the Braves this season (5th in the Major Leagues). Comparatively, the Phillies' opponents are at .246 (18th).

First Innings Moneyline

  • Here are their first innings moneyline records in 2026.
    Total Home Road Favorite Underdog Neutral Last 10
    Phillies 40-34-74 26-15-34 13-19-40 34-25-55 6-9-19 1-0-0 3-1-6
    Braves 34-31-83 23-10-43 11-21-39 26-23-57 8-8-26 0-0-1 1-2-7

Lead After Three Innings

  • Here are their records after the first three innings in 2026.
    Total Home Road Favorite Underdog Neutral Last 10
    Phillies 66-51-31 37-24-14 28-27-17 55-38-21 11-13-10 1-0-0 4-3-3
    Braves 60-54-34 40-22-14 20-32-19 51-32-23 9-22-11 0-0-1 1-6-3

NRFI/YRFI

  • The NRFI is 71-77 in Phillies games this season. The Braves have a 76-72 NRFI record.

Last Time They Met

The Braves recorded a 6-5 extra innings victory over the Phillies at Truist Park yesterday. Austin Riley went yard en route to that victory, hitting a home run to go with an RBI.