Miami Marlins @ Arizona Diamondbacks
MMAwayMiami Marlins30%
@ADHomeArizona Diamondbacks70%
Model PickArizona Diamondbacks 70%Market edge — disclosed after closing odds are collectedEvidence 12 structured · 3 qualitative
AI Summary grounded in real data · zero hallucination
Our model projects a 70% win probability for the Arizona Diamondbacks, indicating a strong advantage over the Miami Marlins. The primary driver for this prediction is the 'Starting Pitcher Matchup,' where Arizona holds a significant 13.1 percentage point edge. However, the Marlins' 1.8 percentage point lead in 'Team OBP' presents a key swing risk; if Arizona's hitters struggle against the opposing starter, the game could be tighter than anticipated. The market edge is currently uncalculated.
Logistic-regression statistical model — predicts Miami Marlins vs Arizona Diamondbacks 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 70% home win was derived
Home Advantage+2.5
Pythagorean Expectation-0.1
Season Win%+0.6
Last 10 Games Form+3.7
Home/Away Split+1.9
Team OBP-1.8
Team SLG-0.4
Team ERA+0.1
Starting Pitcher Matchup+13.1
Baseline 50% → final home win69.6%
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 | Arizona Diamondbacks at home — MLB historical home win rate ~.535 (ballpark familiarity, no travel) | MLB StatsAPI |
| Pythagorean Expectation | Home 50.1% (665 RS/663 RA) vs Away 50.4% (666/660) — strength from runs scored/allowed | MLB StatsAPI |
| Season Win% | Home 79-71 (.527) vs Away 74-76 (.493) | MLB StatsAPI |
| Last 10 Games Form | Home 6-4 vs Away 3-7 · Home L2 | MLB StatsAPI |
| Home/Away Split | Home team home 42-33 · away team away 29-43 | MLB StatsAPI |
| Team OBP | Home .315 vs Away .327 — foundation of scoring | MLB StatsAPI |
| Team SLG | Home .395 vs Away .401 (OPS .710/.728) | MLB StatsAPI |
| Team ERA | Home 4.09 vs Away 4.10 — lower is better | MLB StatsAPI |
| Team WHIP | Home 1.28 vs Away 1.28 — baserunners allowed per inning (lower is better) | MLB StatsAPI |
| Starting Pitcher Matchup | Home Corbin Burnes (ERA 0.00) vs Away Sandy Alcantara (ERA 3.78) | MLB StatsAPI |
| Hitting Detail (BABIP, K, BB) | Home BABIP .280 · K 1095 · BB 499 / Away BABIP .299 · K 1235 · BB 515 (BABIP is luck-driven → not factored into probability) | MLB StatsAPI |
| Pitching Detail (K/BB, HR9) | Home K/BB 2.32 · HR9 1.13 / Away K/BB 2.31 · HR9 1.04 | MLB StatsAPI |
Qualitative & folklore factors 3 factors · fully disclosed
Qualitative · D-backs Wild Card Hunt
The Arizona Diamondbacks are kicking off a crucial series at home against the Miami Marlins and New York Yankees, with their wild-card drama continuing to unfold.
Basis: LLM · news · Diamondbacks' wild-card drama continues as Marlins
Qualitative · Gallen to Bullpen
Zac Gallen is moving to a bullpen role after returning from injury, with Michael Soroka securing the final rotation spot, signaling a significant shift in the Diamondbacks' pitching staff.
Basis: LLM · news · Zac Gallen moving to bullpen role, as Michael Soro
Qualitative · Gurriel Jr. DFA'd
The Arizona Diamondbacks have designated former All-Star outfielder Lourdes Gurriel Jr. for assignment, indicating a roster shake-up.
Basis: LLM · news · Diamondbacks DFA former All-Star OF Lourdes Gurrie
12 source headlines (auto-collected · basis disclosed)
- Miami Marlins at Arizona Diamondbacks - Where to Watch, Stream Info, TV Channel, and Live Updates (September 14, 2026)
- Miami Marlins at Arizona Diamondbacks Preview - 09/14/2026
- Miami Marlins vs. Arizona Diamondbacks - Live Score - September 14, 2026
- Miami Marlins vs. Arizona Diamondbacks
- Diamondbacks' wild-card drama continues as Marlins, Yankees come to town
- Zac Gallen moving to bullpen role, as Michael Soroka wins final rotation spot
- Arizona Diamondbacks vs. Miami Marlins Series Sept. 14-16: Odds, Starting Pitchers & Predictions
- The Good And Not So Good From Zac Gallen's Return from Injury
Frequently asked questions This game's prediction summary
Miami Marlins vs Arizona Diamondbacks — who's more likely to win?
SealedSlate's logistic-regression statistical model gives Arizona Diamondbacks a 70% chance to win (Home 70% · Away 30%). MLB · 2026-09-15 10:40 KST.
How was the 69.6% 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 69.6%. 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.