← All picks for May 31, 2026
Chicago Cubs vs St. Louis Cardinals
May 31, 2026 — MLB Prediction & Betting Pick
Our model leans St. Louis Cardinals
On balance, more tracked inputs leaned Chicago Cubs (17 edges vs 8 for St. Louis Cardinals).
Note: the model leans St. Louis Cardinals even though the simple edge count favors Chicago Cubs. This can happen because the model weighs each input differently — a single large advantage (like a dominant pitching matchup or a significant offensive gap) can outweigh several smaller edges on the other side. The edge count treats every metric equally, but the model does not.
Matchup Breakdown
Recent form (last ~10 games) — Mixed
Recent form factors are roughly even between Chicago Cubs and St. Louis Cardinals, with neither team showing a clear edge in their last ten games.
- St. Louis Cardinals 0.350 vs Chicago Cubs 0.250 — leans St. Louis Cardinals
- St. Louis Cardinals -1 vs Chicago Cubs -1.65 — leans St. Louis Cardinals
- St. Louis Cardinals 3 vs Chicago Cubs 3.40 — leans Chicago Cubs
- St. Louis Cardinals 4 vs Chicago Cubs 5.05 — leans St. Louis Cardinals
- St. Louis Cardinals 0.333 vs Chicago Cubs 0.667 — leans Chicago Cubs
- St. Louis Cardinals 0.889 vs Chicago Cubs 1.765 — leans Chicago Cubs
Season to date — leans Chicago Cubs
Season-long stats including runs scored and allowed per game, home/road splits, and weighted offensive production (wRC+) the matchup favors the Chicago Cubs.
- St. Louis Cardinals 4.10 vs Chicago Cubs 4.72 — leans Chicago Cubs
- St. Louis Cardinals 4.34 vs Chicago Cubs 4.33 — roughly even
- St. Louis Cardinals 0.500 vs Chicago Cubs 0.357 — leans St. Louis Cardinals
- St. Louis Cardinals 101.5 vs Chicago Cubs 108.0 — leans Chicago Cubs
Starting pitching (recent starts) — leans Chicago Cubs
Evaluating the probable starters based on recent ERA, WHIP, strikeout rate, and pitching form trends, the matchup favors the Chicago Cubs.
- St. Louis Cardinals 5.76 vs Chicago Cubs 7 — leans St. Louis Cardinals
- St. Louis Cardinals 1.64 vs Chicago Cubs 1.78 — leans St. Louis Cardinals
- St. Louis Cardinals 6.84 vs Chicago Cubs 9 — leans Chicago Cubs
- St. Louis Cardinals 0.26 vs Chicago Cubs 5.56 — leans St. Louis Cardinals
- St. Louis Cardinals 3.49 vs Chicago Cubs 2.20 — leans Chicago Cubs
- St. Louis Cardinals 1.52 vs Chicago Cubs 1.16 — leans Chicago Cubs
- St. Louis Cardinals 3.81 vs Chicago Cubs 3.34 — leans Chicago Cubs
- St. Louis Cardinals 10.7 vs Chicago Cubs 8.3 — leans Chicago Cubs
Offense & matchup — leans Chicago Cubs
Analyzing recent offensive output (OBP, SLG) and platoon matchup data against the opposing starter's throwing arm, the matchup favors the Chicago Cubs.
- St. Louis Cardinals 0.393 vs Chicago Cubs 0.441 — leans Chicago Cubs
- St. Louis Cardinals 0.519 vs Chicago Cubs 0.571 — leans Chicago Cubs
- St. Louis Cardinals 0.346 vs Chicago Cubs 0.494 — leans Chicago Cubs
- St. Louis Cardinals 0.425 vs Chicago Cubs 0.612 — leans Chicago Cubs
- St. Louis Cardinals 0.394 vs Chicago Cubs 0.416 — leans Chicago Cubs
- St. Louis Cardinals 0.481 vs Chicago Cubs 0.483 — roughly even
- St. Louis Cardinals 0.673 vs Chicago Cubs 0.812 — leans Chicago Cubs
- St. Louis Cardinals 0.001 vs Chicago Cubs -0.024 — leans St. Louis Cardinals
Series & head-to-head — leans Chicago Cubs
Prior head-to-head meetings this season's training window — win rate and run differential between these clubs — the matchup favors the Chicago Cubs.
- St. Louis Cardinals 0.500 vs Chicago Cubs 0.500 — roughly even
- St. Louis Cardinals -2 vs Chicago Cubs 2 — leans Chicago Cubs
Betting Lines
Chicago Cubs +1.5 | O/U 8.5 (FanDuel)
Final Score
Chicago Cubs 1, St. Louis Cardinals 5 — St. Louis Cardinals 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.
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