Arizona Diamondbacks @ St. Louis Cardinals
ADAwayArizona Diamondbacks46%
@SLCHomeSt. Louis Cardinals54%
Model PickSt. Louis Cardinals 54%Market edge — disclosed after closing odds are collectedEvidence 12 structured · 1 qualitative
AI Summary grounded in real data · zero hallucination
Our model predicts a 54% probability for the St. Louis Cardinals to win, with the 'Starting Pitcher Matchup' being their strongest advantage at 6.2 percentage points. However, their 'Last 10 Games Form' shows a notable disadvantage of -5 percentage points, indicating recent performance concerns. The market edge is currently uncalculated.
Logistic-regression statistical model — predicts Arizona Diamondbacks vs St. Louis Cardinals 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 54% home win was derived
Home Advantage+2.5
Pythagorean Expectation+0.1
Season Win%-0.1
Last 10 Games Form-5
Home/Away Split+0.6
Team OBP+0.7
Team SLG-0.7
Team ERA+0.8
Team WHIP-1
Starting Pitcher Matchup+6.2
Baseline 50% → final home win54.2%
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 | St. Louis Cardinals at home — MLB historical home win rate ~.535 (ballpark familiarity, no travel) | MLB StatsAPI |
| Pythagorean Expectation | Home 50.0% (448 RS/448 RA) vs Away 49.7% (456/459) — strength from runs scored/allowed | MLB StatsAPI |
| Season Win% | Home 52-49 (.515) vs Away 53-49 (.520) | MLB StatsAPI |
| Last 10 Games Form | Home 4-6 vs Away 8-2 · Home W1 | MLB StatsAPI |
| Home/Away Split | Home team home 26-26 · away team away 22-27 | MLB StatsAPI |
| Team OBP | Home .316 vs Away .311 — foundation of scoring | MLB StatsAPI |
| Team SLG | Home .384 vs Away .393 (OPS .700/.704) | MLB StatsAPI |
| Team ERA | Home 4.12 vs Away 4.21 — lower is better | MLB StatsAPI |
| Team WHIP | Home 1.33 vs Away 1.29 — baserunners allowed per inning (lower is better) | MLB StatsAPI |
| Starting Pitcher Matchup | Home Michael McGreevy (ERA 2.92) vs Away Brandon Pfaadt (ERA 4.58) | MLB StatsAPI |
| Hitting Detail (BABIP, K, BB) | Home BABIP .279 · K 786 · BB 325 / Away BABIP .277 · K 748 · BB 333 (BABIP is luck-driven → not factored into probability) | MLB StatsAPI |
| Pitching Detail (K/BB, HR9) | Home K/BB 2.26 · HR9 1.00 / Away K/BB 2.36 · HR9 1.23 | MLB StatsAPI |
Qualitative & folklore factors 1 factors · fully disclosed
Qualitative · Blown Lead Hangover
The St. Louis Cardinals suffered a heartbreaking loss to the Arizona Diamondbacks in their last game, blowing a 7-run lead. This kind of devastating defeat can significantly impact team morale and confidence.
Basis: LLM · news · St. Louis Cardinals Blow 7-Run Lead – Lose Heartbr
12 source headlines (auto-collected · basis disclosed)
- St. Louis Cardinals at Arizona Diamondbacks Game Story, Scores/Highlights - 07/19/2026
- Diamondbacks 8-7 Cardinals (Jul 19, 2026) Final Score
- St. Louis Cardinals Blow 7-Run Lead – Lose Heartbreaker to Diamondbacks Sunday
- Where to watch St. Louis Cardinals vs Arizona Diamondbacks: TV channel, start time, streaming for July 17
- Arizona Diamondbacks vs. St. Louis Cardinals - Live Score - July 23, 2026
- St. Louis Cardinals Game Discussion vs Arizona Diamondbacks Sunday
- St. Louis Cardinals at Arizona Diamondbacks Game Story, Scores/Highlights - 07/18/2026
- St. Louis Cardinals Game Discussion vs Arizona Diamondbacks Friday
Frequently asked questions This game's prediction summary
Arizona Diamondbacks vs St. Louis Cardinals — who's more likely to win?
SealedSlate's logistic-regression statistical model gives St. Louis Cardinals a 54% chance to win (Home 54% · Away 46%). MLB · 2026-07-24 06:15 KST.
How was the 54.2% 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 54.2%. 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.