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MLB

St. Louis Cardinals vs Cincinnati Reds

Tuesday, August 18, 2026

Matchup Analysis

This MLB matchup features St. Louis Cardinals (64-62 (32-34)) traveling to take on Cincinnati Reds (60-65 (31-34)) at Great American Ball Park, Cincinnati, Ohio. These two teams are closely matched, with both squads posting similar scoring differentials this season. This projects as a competitive contest that could go either way.

The offensive edge belongs to Reds at 4.8 PPG, a number that sits well above the 4.3 PPG the Cardinals defense allows. Look for the home team to push the pace and attack early. Meanwhile, Cardinals scores 4.4 PPG but faces a Reds defense that limits opponents to 4.8 PPG. The home team's defensive effort could be the difference-maker. Interestingly, neither offense has a clear statistical advantage over the opposing defense. This scoring equilibrium points to a game decided by execution in the final minutes.

In MLB, home court is valued at approximately 3.0 points. Reds will try to feed off that home atmosphere and put early pressure on the visitors. Our model sees this as essentially a coin-flip game, projecting just a 0.2-run margin. Expect a tight finish. Within one standard deviation, outcomes range from Reds losing by 0 to losing by 0, illustrating the range of likely outcomes. This projects as a grind-it-out affair, with both teams averaging around 5 PPG in typical game environments. Low-scoring games compress margins and make covering large spreads harder.

This is one of those games where the oddsmakers have it dialed in. Our model sees no significant spread edge, but secondary markets like the total could still offer a narrow window of value.

Team Comparison

STL Cardinals
Stat
CIN Reds
64-62 (32-34)
Record
60-65 (31-34)
4.4
Runs / Game
4.8
4.3
Runs Allowed / Game
4.8

Current Odds

Team Moneyline Spread Total
STL St. Louis Cardinals
-123 -1.5 O 8.5
CIN Cincinnati Reds
+102 +1.5 U 8.5
Source: DraftKings Updated: Aug 18, 5:36 AM
Opening line: +1.5 / O/U 8.5

Model Projection

Team Moneyline Spread Total
STL St. Louis Cardinals
+112 +0.2 O 9.1
CIN Cincinnati Reds
-112 -0.2 U 9.1
Source: Model Updated: Aug 18, 4:42 AM

Our Picks

Spread
Pass
Model: -0.2 | Edge below threshold
Total
Pass
Model: 9.1 | Edge below threshold

Key Matchup Factors

Key Matchup Factors:

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

Recent Trends

Reds Trends:

  • The over is 16-5 in Cincinnati Reds's games at home as a favorite
  • Cincinnati Reds is 12-5 ATS after a loss vs a winning team
  • Cincinnati Reds is 4-1 ATS on a 3+ game losing streak
  • The over is 16-5 in Cincinnati Reds's games favorite
  • Cincinnati Reds is 10-21 ATS after a win

Cardinals Trends:

  • St. Louis Cardinals is 5-1 ATS on a 3+ game losing streak
  • The over is 1-5 in St. Louis Cardinals's games on a 3+ game losing streak
  • St. Louis Cardinals is 10-4 ATS after a loss vs a winning team
  • The over is 3-9 in St. Louis Cardinals's games after a loss vs a winning team
  • The over is 6-2 in St. Louis Cardinals's games on a 3+ game win streak

Head-to-Head:

  • Cincinnati Reds is 3-1 ATS at home vs St. Louis Cardinals
  • The over is 2-4 in Cincinnati Reds's games on the road vs St. Louis Cardinals
  • Cincinnati Reds is 2-4 straight up on the road vs St. Louis Cardinals

Matchup Edges

Reds

Advantages

  • Home field advantage worth 3.0 runs in our model
  • Elite pitching allowing just 4.8 RPG
  • Net scoring margin of +0.0 RPG per game

Disadvantages

  • Sub-.500 record at 60-65 (31-34) (48% win rate)
  • Limited offense averaging just 4.8 RPG
  • Allowing 4.8 RPG on defense leaves room for opponent scoring

Cardinals

Advantages

  • Stout pitching allowing just 4.3 RPG
  • Net scoring margin of +0.0 RPG per game
  • Model-projected win probability of 47%

Disadvantages

  • Playing on the road, sacrificing 3.0 run of home field advantage
  • Anemic offense at just 4.4 RPG limits scoring ceiling
  • Model win probability of just 47% on the road

More MLB Picks for Tuesday, August 18, 2026