St. Louis Cardinals vs Arizona Diamondbacks

July 18, 2025 — MLB Prediction & Betting Pick

Our model leans Arizona Diamondbacks

On balance, more tracked inputs leaned Arizona Diamondbacks (14 edges vs 8 for St. Louis Cardinals).

The model's lean aligns with the overall edge count. Both the machine-learning model and the raw feature comparison point the same direction for this game.

Matchup Breakdown

Recent form (last ~10 games) — leans Arizona Diamondbacks

Looking at recent performance trends over the last ten games — including win rate, run differential, and offensive momentum — the matchup favors the Arizona Diamondbacks.

Arizona Diamondbacks 0.400 vs St. Louis Cardinals 0.450 — roughly even
Arizona Diamondbacks 0.40 vs St. Louis Cardinals -1 — leans Arizona Diamondbacks
Arizona Diamondbacks 4.85 vs St. Louis Cardinals 3.95 — leans Arizona Diamondbacks
Arizona Diamondbacks 4.45 vs St. Louis Cardinals 4.95 — leans Arizona Diamondbacks
Arizona Diamondbacks 0.333 vs St. Louis Cardinals 0.333 — roughly even
Arizona Diamondbacks 1.031 vs St. Louis Cardinals 1.350 — leans St. Louis Cardinals

Season to date — Mixed

Season-to-date metrics are closely matched between St. Louis Cardinals and Arizona Diamondbacks.

Arizona Diamondbacks 5.06 vs St. Louis Cardinals 4.31 — leans Arizona Diamondbacks
Arizona Diamondbacks 5.02 vs St. Louis Cardinals 4.15 — leans St. Louis Cardinals
Arizona Diamondbacks 0.300 vs St. Louis Cardinals 0.444 — leans St. Louis Cardinals
Arizona Diamondbacks 106.9 vs St. Louis Cardinals 98.7 — leans Arizona Diamondbacks

Starting pitching (recent starts) — leans Arizona Diamondbacks

Evaluating the probable starters based on recent ERA, WHIP, strikeout rate, and pitching form trends, the matchup favors the Arizona Diamondbacks.

Arizona Diamondbacks 3.48 vs St. Louis Cardinals 4.40 — leans Arizona Diamondbacks
Arizona Diamondbacks 0.94 vs St. Louis Cardinals 1.26 — leans Arizona Diamondbacks
Arizona Diamondbacks 9.29 vs St. Louis Cardinals 4.08 — leans Arizona Diamondbacks
Arizona Diamondbacks 2.23 vs St. Louis Cardinals -3.18 — leans St. Louis Cardinals
Arizona Diamondbacks 2.79 vs St. Louis Cardinals 2.63 — roughly even
Arizona Diamondbacks 1.60 vs St. Louis Cardinals 0.95 — leans St. Louis Cardinals
Arizona Diamondbacks 2.84 vs St. Louis Cardinals 3.03 — roughly even
Arizona Diamondbacks 7 vs St. Louis Cardinals 6 — roughly even

Offense & matchup — leans Arizona Diamondbacks

Analyzing recent offensive output (OBP, SLG) and platoon matchup data against the opposing starter's throwing arm, the matchup favors the Arizona Diamondbacks.

Arizona Diamondbacks 0.378 vs St. Louis Cardinals 0.346 — leans Arizona Diamondbacks
Arizona Diamondbacks 0.522 vs St. Louis Cardinals 0.451 — leans Arizona Diamondbacks
Arizona Diamondbacks 0.435 vs St. Louis Cardinals 0.383 — leans Arizona Diamondbacks
Arizona Diamondbacks 0.612 vs St. Louis Cardinals 0.476 — leans Arizona Diamondbacks
Arizona Diamondbacks 0.396 vs St. Louis Cardinals 0.391 — roughly even
Arizona Diamondbacks 0.520 vs St. Louis Cardinals 0.487 — leans Arizona Diamondbacks
Arizona Diamondbacks 0.800 vs St. Louis Cardinals 0.412 — leans Arizona Diamondbacks
Arizona Diamondbacks 0.018 vs St. Louis Cardinals 0.045 — leans St. Louis Cardinals

Series & head-to-head — leans St. Louis Cardinals

Prior head-to-head meetings this season's training window — win rate and run differential between these clubs — the matchup favors the St. Louis Cardinals.

Arizona Diamondbacks 0 vs St. Louis Cardinals 1 — leans St. Louis Cardinals
Arizona Diamondbacks -1 vs St. Louis Cardinals 1 — leans St. Louis Cardinals

Betting Lines

Arizona Diamondbacks -1.5 | O/U 8.5 (FanDuel)

Final Score

St. Louis Cardinals 3, Arizona Diamondbacks 7 — Arizona Diamondbacks win — Model pick was correct

This analysis is generated by a machine-learning model and is intended for informational and entertainment purposes only. It does not constitute financial or betting advice. Past model performance does not guarantee future results. Please gamble responsibly.