Miami Marlins @ Chicago Cubs
MMAwayMiami Marlins41%
@CCHomeChicago Cubs59%
Model PickChicago Cubs 59%Market edge — disclosed after closing odds are collectedEvidence 12 structured · 3 qualitative
AI Summary grounded in real data · zero hallucination
Our model projects a 59% win probability for the Chicago Cubs, favoring them over the Miami Marlins. This prediction is primarily driven by the Cubs' superior 'Pythagorean Expectation' and 'Home Advantage'. However, the 'Starting Pitcher Matchup' and 'Last 10 Games Form' represent key swing risks that could disadvantage the Cubs. The market edge for this game is currently uncalculated.
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 59% home win was derived
Home Advantage+2.5
Pythagorean Expectation+3.3
Season Win%+1
Last 10 Games Form-1.2
Home/Away Split+1.8
Team OBP+1.8
Team SLG+2.2
Team ERA-0.5
Team WHIP+0.7
Starting Pitcher Matchup-2.2
Baseline 50% → final home win59.3%
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 58.6% (839 RS/694 RA) vs Away 50.3% (703/699) — strength from runs scored/allowed | MLB StatsAPI |
| Season Win% | Home 87-71 (.551) vs Away 78-80 (.494) | MLB StatsAPI |
| Last 10 Games Form | Home 5-5 vs Away 6-4 · Home L2 | MLB StatsAPI |
| Home/Away Split | Home team home 45-35 · away team away 33-47 | 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 4.11 — 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 Matthew Boyd (ERA 4.06) vs Away Tyler Phillips (ERA 3.45) | MLB StatsAPI |
| Hitting Detail (BABIP, K, BB) | Home BABIP .291 · K 1320 · BB 661 / Away BABIP .300 · K 1320 · BB 542 (BABIP is luck-driven → not factored into probability) | MLB StatsAPI |
| Pitching Detail (K/BB, HR9) | Home K/BB 2.55 · HR9 1.46 / Away K/BB 2.35 · HR9 1.08 | MLB StatsAPI |
Qualitative & folklore factors 3 factors · fully disclosed
Qualitative · Cubs' Playoff Frustration
The Cubs have repeatedly failed to clinch a playoff spot, losing consecutive games to the Marlins. This ongoing frustration could significantly impact team morale and player psychology.
Basis: LLM · news · Cubs again fail to clinch a playoff spot
Qualitative · Marlins' Spoiler Role
Despite being out of playoff contention, the Marlins have embraced the spoiler role, preventing the Cubs from clinching. This unexpected motivation could give the Marlins an edge.
Basis: LLM · news · Marlins prevent Cubs from clinching a playoff spot
Qualitative · Cabrera's Meltdown
Edward Cabrera of the Marlins had a 'meltdown' in a recent game, which could impact the team's pitching strategy or put added pressure on other pitchers.
Basis: LLM · news · Edward Cabrera meltdown
12 source headlines (auto-collected · basis disclosed)
- Miami Marlins at Chicago Cubs Game Story, Scores/Highlights - 09/22/2026
- Marlins 8, Cubs 2: RISPy business and an Edward Cabrera meltdown
- Miami Marlins vs Chicago Cubs Live Stream: How to Watch MLB
- How to watch Marlins vs. Cubs: TV channel and streaming options for September 23
- 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 game today: North Side team misses chance to clinch playoff spot Tuesday after losing Miami Marlins game
- Miami Marlins at Chicago Cubs Game Story, Scores/Highlights - 09/23/2026
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 59% chance to win (Home 59% · Away 41%). MLB · 2026-09-25 03:20 KST.
How was the 59.3% 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 59.3%. 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.