SharpBetz
MLB

St. Louis Cardinals vs Pittsburgh Pirates

Tuesday, September 22, 2026

Matchup Analysis

The over has hit 16‑4 in Pittsburgh Pirates games after a loss to a winning opponent, a striking 0.8 win percentage in a sample of 20 such contests.

In the current clash the Pirates will hand the ball to Jared Jones, whose 3.83 ERA is complemented by a 1.106 WHIP and an impressive 11.298 K/9 rate. Opposing him, Andre Pallante carries a 3.176 ERA, a 1.255 WHIP and a 5.647 K/9, indicating a markedly lower strikeout punch.

The betting market has set the total at 7.0 runs, while the model projects a total of 9.3, generating a 2.3 edge in favor of the over. The market’s total line of 7.0 sits well below the model’s expectation, reinforcing the case for higher scoring.

With the Pirates posting a 79‑77 overall record (42‑36 at home) and the Cardinals at 76‑80 (38‑43 away), the home team’s recent over‑under trend and the favorable pitcher match‑up combine to suggest a run‑rich environment.

The pick is the over on the total at 7.0, play.

Team Comparison

STL Cardinals
Stat
PIT Pirates
76-80 (38-43)
Record
79-77 (42-36)
4.7
Runs / Game
4.6
4.7
Runs Allowed / Game
4.6

Current Odds

Team Moneyline Spread Total
STL St. Louis Cardinals
+128 +1.5 O 7
PIT Pittsburgh Pirates
-155 -1.5 U 7
Source: DraftKings Updated: Sep 22, 10:01 AM
Opening line: -1.5 / O/U 7

Model Projection

Team Moneyline Spread Total
STL St. Louis Cardinals
+115 +0.3 O 9.3
PIT Pittsburgh Pirates
-115 -0.3 U 9.3
Source: Model Updated: Sep 22, 10:01 AM

Our Picks

Spread
Pass
Model: -0.3 | Edge below threshold
Total
Over (opened at 7)
68% Confidence

Key Matchup Factors

Key Matchup Factors:

  • Cardinals has a +0.0 scoring margin edge
  • Home court advantage adds 0.3 points for Pirates
  • Expected scoring: Pirates ~5, Cardinals ~5 (total ~9)
  • Run/puck line pass: model margin below blowout gate

Recent Trends

Pirates Trends:

  • The over is 16-4 in Pittsburgh Pirates's games after a loss vs a winning team
  • The over is 7-0 in Pittsburgh Pirates's games on a 3+ game losing streak
  • The over is 28-11 in Pittsburgh Pirates's games at home as a favorite
  • The over is 28-11 in Pittsburgh Pirates's games favorite
  • The over is 24-12 in Pittsburgh Pirates's games at home after a loss

Cardinals Trends:

  • St. Louis Cardinals is 5-1 ATS on a 3+ game losing streak
  • St. Louis Cardinals is 11-4 ATS after a loss vs a winning team
  • St. Louis Cardinals is 29-15 ATS on the road as an underdog
  • The over is 1-5 in St. Louis Cardinals's games on a 3+ game losing streak
  • St. Louis Cardinals is 29-15 ATS underdog

Head-to-Head:

  • Pittsburgh Pirates is 0-4 ATS at home vs St. Louis Cardinals
  • Pittsburgh Pirates is 0-4 straight up at home vs St. Louis Cardinals
  • Pittsburgh Pirates is 4-1 straight up on the road vs St. Louis Cardinals

Matchup Edges

Pirates

Advantages

  • Home field advantage worth 0.3 runs in our model
  • Riding a 4-game winning streak with strong momentum
  • Elite pitching allowing just 4.6 RPG

Disadvantages

  • Limited offense averaging just 4.6 RPG
  • Negative scoring margin of -0.0 RPG per game
  • Model sees 1.2-point edge favoring the away side

Cardinals

Advantages

  • Stout pitching allowing just 4.7 RPG
  • Net scoring margin of +0.0 RPG per game
  • Model-projected win probability of 46%

Disadvantages

  • Playing on the road, sacrificing 0.3 run of home field advantage
  • Struggling with a 76-80 (38-43) record (49% win rate)
  • Anemic offense at just 4.7 RPG limits scoring ceiling

More MLB Picks for Tuesday, September 22, 2026

Model projection by SharpBetz; write-up generated from the numbers above and checked against them. Updated Sep 22, 2026, 10:01 AM UTC View Our Track Record