Chicago Cubs @ Miami Marlins
CCAwayChicago Cubs56%
@MMHomeMiami Marlins44%
Model PickChicago Cubs 56%Market edge — disclosed after closing odds are collectedEvidence 12 structured · 2 qualitative
AI Summary grounded in real data · zero hallucination
Our model projects the Chicago Cubs with a 56% win probability, favoring them over the Miami Marlins. This pick is primarily supported by the Cubs' advantage in 'Team ERA', though this is somewhat offset by the Marlins' stronger 'Pythagorean Expectation' and 'Team SLG'. The market edge for this pick is currently not calculated.
Logistic-regression statistical model — predicts Chicago Cubs vs Miami Marlins 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 44% home win was derived
Home Advantage+2.5
Pythagorean Expectation-3.4
Season Win%-1.1
Home/Away Split+0.5
Team OBP-2.1
Team SLG-2.5
Team ERA+1.6
Starting Pitcher Matchup-1.5
Baseline 50% → final home win44.2%
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 | Miami Marlins at home — MLB historical home win rate ~.535 (ballpark familiarity, no travel) | MLB StatsAPI |
| Pythagorean Expectation | Home 50.7% (616 RS/607 RA) vs Away 59.1% (759/621) — strength from runs scored/allowed | MLB StatsAPI |
| Season Win% | Home 71-71 (.500) vs Away 80-62 (.563) | MLB StatsAPI |
| Last 10 Games Form | Home 4-6 vs Away 4-6 · Home L2 | MLB StatsAPI |
| Home/Away Split | Home team home 42-28 · away team away 39-31 | MLB StatsAPI |
| Team OBP | Home .325 vs Away .339 — foundation of scoring | MLB StatsAPI |
| Team SLG | Home .398 vs Away .431 (OPS .723/.770) | MLB StatsAPI |
| Team ERA | Home 3.97 vs Away 4.16 — lower is better | MLB StatsAPI |
| Team WHIP | Home 1.26 vs Away 1.26 — baserunners allowed per inning (lower is better) | MLB StatsAPI |
| Starting Pitcher Matchup | Home Ryan Gusto (ERA 3.86) vs Away Javier Assad (ERA 3.46) | MLB StatsAPI |
| Hitting Detail (BABIP, K, BB) | Home BABIP .296 · K 1167 · BB 486 / Away BABIP .292 · K 1202 · BB 598 (BABIP is luck-driven → not factored into probability) | MLB StatsAPI |
| Pitching Detail (K/BB, HR9) | Home K/BB 2.39 · HR9 1.03 / Away K/BB 2.59 · HR9 1.51 | MLB StatsAPI |
Qualitative & folklore factors 2 factors · fully disclosed
Qualitative · Imanaga's Dominance, Wild Card Lead
Shota Imanaga's stellar performance against the Miami Marlins yesterday propelled the Chicago Cubs into the top wild-card spot, likely boosting team morale significantly.
Basis: LLM · news · Shota Imanaga leads Cubs past Marlins into top wil
Qualitative · Imanaga's Splitter Dominance
Shota Imanaga effectively shut down the Miami Marlins' offense by riding his splitter, which could provide a positive tactical blueprint for the rest of the Cubs' pitching staff against the Marlins.
Basis: LLM · news · Riding his splitter, new-look Shota Imanaga handcu
12 source headlines (auto-collected · basis disclosed)
- Chicago Cubs at Miami Marlins Game Story, Scores/Highlights - 09/04/2026
- Chicago Cubs at Miami Marlins - Where to Watch, Stream Info, TV Channel, and Live Updates (September 04, 2026)
- How to watch Cubs vs. Marlins: TV channel and streaming options for September 4
- Cubs vs. Marlins (5 Sep, 2026) Live Score
- Cubs vs. Marlins (Sep 4, 2026) Pregame
- Chicago Cubs vs. Miami Marlins preview, Friday 9/4, 6:10 CT
- Just ’do it: Riding his splitter, new-look Shota Imanaga handcuffs Miami Marlins in Chicago Cubs’ 6-1 win
- Chicago Cubs @ Miami Marlins – Series Preview (September 4-6): Overview, Game and Broadcast Info, Starting Pitchers, W2W4
Frequently asked questions This game's prediction summary
Chicago Cubs vs Miami Marlins — who's more likely to win?
SealedSlate's logistic-regression statistical model gives Chicago Cubs a 56% chance to win (Home 44% · Away 56%). MLB · 2026-09-06 05:10 KST.
How was the 44.2% 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 44.2%. 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.