Miami Marlins @ Chicago Cubs
MMAwayMiami Marlins37%
@CCHomeChicago Cubs63%
Model PickChicago Cubs 63%Market edge — disclosed after closing odds are collectedEvidence 12 structured · 1 qualitative
AI Summary grounded in real data · zero hallucination
We recommend backing the Chicago Cubs with a 63% win probability, though the edge against the market is not calculated. The primary drivers for this pick are the advantages in 'Pythagorean Expectation' and 'Home Advantage'. However, the deficit in 'Starting Pitcher Matchup' and the momentum from their recent 8-2 loss, which stalled their playoff push, remain key swing risks.
Logistic-regression statistical model — predicts Miami Marlins vs Chicago Cubs by accumulating the log-odds contributions of 12 proven structured metrics. Only structured metrics enter the probability; qualitative and folklore factors get a label only. Predictions are sealed with SHA-256 before the game.
Model factor contribution How the 63% home win was derived
Home Advantage+2.5
Pythagorean Expectation+3.4
Season Win%+1.1
Last 10 Games Form+1.2
Home/Away Split+2
Team OBP+1.7
Team SLG+2.1
Team ERA-0.3
Team WHIP+0.7
Starting Pitcher Matchup-1.4
Baseline 50% → final home win62.9%
Each factor's log-odds contribution accumulated · only structured metrics reflected (qualitative/folklore excluded) · each %p converts log-odds to probability, so it's non-linear — a simple sum may not exactly equal (final − baseline)
Structured metric analysis 12 metrics · fully disclosed
| Metric | Analysis (home vs away) | Source |
|---|---|---|
| Home Advantage | Chicago Cubs at home — MLB historical home win rate ~.535 (ballpark familiarity, no travel) | MLB StatsAPI |
| Pythagorean Expectation | Home 58.7% (837 RS/691 RA) vs Away 50.2% (700/697) — strength from runs scored/allowed | MLB StatsAPI |
| Season Win% | Home 87-70 (.554) vs Away 77-80 (.490) | MLB StatsAPI |
| Last 10 Games Form | Home 6-4 vs Away 5-5 · Home L1 | MLB StatsAPI |
| Home/Away Split | Home team home 45-34 · away team away 32-47 | MLB StatsAPI |
| Team OBP | Home .339 vs Away .327 — foundation of scoring | MLB StatsAPI |
| Team SLG | Home .430 vs Away .400 (OPS .769/.727) | MLB StatsAPI |
| Team ERA | Home 4.17 vs Away 4.13 — lower is better | MLB StatsAPI |
| Team WHIP | Home 1.26 vs Away 1.29 — baserunners allowed per inning (lower is better) | MLB StatsAPI |
| Starting Pitcher Matchup | Home Kevin Gausman (ERA 4.55) vs Away Ryan Gusto (ERA 4.14) | MLB StatsAPI |
| Hitting Detail (BABIP, K, BB) | Home BABIP .291 · K 1311 · BB 659 / Away BABIP .299 · K 1310 · BB 540 (BABIP is luck-driven → not factored into probability) | MLB StatsAPI |
| Pitching Detail (K/BB, HR9) | Home K/BB 2.54 · HR9 1.47 / Away K/BB 2.34 · HR9 1.09 | MLB StatsAPI |
Qualitative & folklore factors 1 factors · fully disclosed
Qualitative · Cubs Playoff Hopes Stymied
The Chicago Cubs missed a chance to clinch a National League wild card spot after losing to the Miami Marlins yesterday, potentially increasing pressure and impacting team morale for the upcoming game.
Basis: LLM · news · Chicago's push for NL wild card with 8-2 victory o
12 source headlines (auto-collected · basis disclosed)
- Miami Marlins at Chicago Cubs Game Story, Scores/Highlights - 09/22/2026
- Marlins 8-2 Cubs (Sep 22, 2026) Game Recap
- Miami Marlins vs Chicago Cubs Live Stream: How to Watch MLB
- How to watch Marlins vs. Cubs: TV channel and streaming options for September 22
- Photos: Miami Marlins 8, Chicago Cubs 2 (12)
- Miami Marlins stymie Chicago's push for NL wild card with 8-2 victory over the Cubs
- Chicago Cubs vs. Miami Marlins preview, Tuesday 9/22, 6:40 CT
- Chicago Cubs game today: North Side team misses chance to clinch playoff spot Tuesday after losing Miami Marlins game
Frequently asked questions This game's prediction summary
Miami Marlins vs Chicago Cubs — who's more likely to win?
SealedSlate's logistic-regression statistical model gives Chicago Cubs a 63% chance to win (Home 63% · Away 37%). MLB · 2026-09-24 08:40 KST.
How was the 62.9% home-win probability calculated?
Starting from a 50% baseline, we additively accumulate the log-odds contributions of 12 proven structured statistical metrics to reach the final 62.9%. Each factor's %p contribution is fully disclosed on the page; qualitative and folklore factors are not reflected in the probability.
Can this prediction be altered later?
No. Every prediction is sealed with a SHA-256 hash before the game starts and permanently recorded in the track record, making after-the-fact changes impossible. SealedSlate runs a transparent ledger that never inflates the hit rate and leaves missed predictions exactly as they were.
We don't compete on hit rate — every factor is fully disclosed and labeled. Only 📊 structured stats feed the probability (each factor's contribution shown in %p); ⚔️🔮 are context to weigh. Predictions are locked and sealed before the game — verify the hits directly on the track record.