Chicago Cubs vs Pittsburgh Pirates

September 17, 2025 — MLB Prediction & Betting Pick

Our model leans Chicago Cubs

On balance, more tracked inputs leaned Chicago Cubs (20 edges vs 6 for Pittsburgh Pirates).

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 Chicago Cubs

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

Pittsburgh Pirates 0.400 vs Chicago Cubs 0.550 — leans Chicago Cubs
Pittsburgh Pirates -0.30 vs Chicago Cubs 0.15 — leans Chicago Cubs
Pittsburgh Pirates 3.40 vs Chicago Cubs 4.35 — leans Chicago Cubs
Pittsburgh Pirates 3.70 vs Chicago Cubs 4.20 — leans Pittsburgh Pirates
Pittsburgh Pirates 0 vs Chicago Cubs 1 — leans Chicago Cubs
Pittsburgh Pirates 0.392 vs Chicago Cubs 0.920 — 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.

Pittsburgh Pirates 3.54 vs Chicago Cubs 4.80 — leans Chicago Cubs
Pittsburgh Pirates 4.04 vs Chicago Cubs 3.96 — roughly even
Pittsburgh Pirates 0.375 vs Chicago Cubs 0.545 — leans Chicago Cubs
Pittsburgh Pirates 90.1 vs Chicago Cubs 102.1 — 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.

Pittsburgh Pirates 2.19 vs Chicago Cubs 5.97 — leans Pittsburgh Pirates
Pittsburgh Pirates 1.01 vs Chicago Cubs 1.36 — leans Pittsburgh Pirates
Pittsburgh Pirates 9.49 vs Chicago Cubs 6.28 — leans Pittsburgh Pirates
Pittsburgh Pirates 1.30 vs Chicago Cubs 0.60 — leans Chicago Cubs
Pittsburgh Pirates 2.86 vs Chicago Cubs 0.77 — leans Chicago Cubs
Pittsburgh Pirates 1.32 vs Chicago Cubs 0.86 — leans Chicago Cubs
Pittsburgh Pirates 3.65 vs Chicago Cubs 3.01 — leans Chicago Cubs
Pittsburgh Pirates 22 vs Chicago Cubs 18.7 — 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.

Pittsburgh Pirates 0.347 vs Chicago Cubs 0.392 — leans Chicago Cubs
Pittsburgh Pirates 0.364 vs Chicago Cubs 0.503 — leans Chicago Cubs
Pittsburgh Pirates 0.421 vs Chicago Cubs 0.450 — leans Chicago Cubs
Pittsburgh Pirates 0.434 vs Chicago Cubs 0.609 — leans Chicago Cubs
Pittsburgh Pirates 0.371 vs Chicago Cubs 0.374 — roughly even
Pittsburgh Pirates 0.418 vs Chicago Cubs 0.509 — leans Chicago Cubs
Pittsburgh Pirates 0.963 vs Chicago Cubs 0.545 — leans Pittsburgh Pirates
Pittsburgh Pirates 0.024 vs Chicago Cubs -0.019 — leans Pittsburgh Pirates

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.

Pittsburgh Pirates 0.250 vs Chicago Cubs 0.750 — leans Chicago Cubs
Pittsburgh Pirates -2 vs Chicago Cubs 2 — leans Chicago Cubs

Betting Lines

Chicago Cubs +4.5 | O/U 10.5 (FanDuel)

Final Score

Chicago Cubs 8, Pittsburgh Pirates 4 — Chicago Cubs 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.