Los Angeles Angels @ Pittsburgh Pirates
LAAAwayLos Angeles Angels26%
@PPHomePittsburgh Pirates74%
Model PickPittsburgh Pirates 74%Market edge — disclosed after closing odds are collectedEvidence 12 structured · 4 qualitative
AI Summary grounded in real data · zero hallucination
Our model projects a 74% win probability for the Pittsburgh Pirates, indicating a significant advantage over the Los Angeles Angels. This forecast is primarily driven by the Pirates' strong performance in 'Last 10 Games Form' and 'Pythagorean Expectation'. The market edge for this pick is currently uncalculated.
Logistic-regression statistical model — predicts Los Angeles Angels vs Pittsburgh Pirates 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 74% home win was derived
Home Advantage+2.5
Pythagorean Expectation+3.2
Season Win%+1.9
Last 10 Games Form+6
Home/Away Split+2
Team OBP+2.9
Team SLG+2
Team ERA+0.4
Team WHIP+0.8
Starting Pitcher Matchup+1.9
Baseline 50% → final home win73.5%
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 | Pittsburgh Pirates at home — MLB historical home win rate ~.535 (ballpark familiarity, no travel) | MLB StatsAPI |
| Pythagorean Expectation | Home 52.0% (691 RS/662 RA) vs Away 44.0% (571/651) — strength from runs scored/allowed | MLB StatsAPI |
| Season Win% | Home 69-72 (.489) vs Away 53-87 (.379) | MLB StatsAPI |
| Last 10 Games Form | Home 6-4 vs Away 1-9 · Home W1 | MLB StatsAPI |
| Home/Away Split | Home team home 36-33 · away team away 23-43 | MLB StatsAPI |
| Team OBP | Home .331 vs Away .309 — foundation of scoring | MLB StatsAPI |
| Team SLG | Home .403 vs Away .371 (OPS .734/.680) | MLB StatsAPI |
| Team ERA | Home 4.22 vs Away 4.27 — lower is better | MLB StatsAPI |
| Team WHIP | Home 1.31 vs Away 1.35 — baserunners allowed per inning (lower is better) | MLB StatsAPI |
| Starting Pitcher Matchup | Home Jared Jones (ERA 4.83) vs Away Ryan Johnson (ERA 5.47) | MLB StatsAPI |
| Hitting Detail (BABIP, K, BB) | Home BABIP .315 · K 1339 · BB 505 / Away BABIP .295 · K 1322 · BB 433 (BABIP is luck-driven → not factored into probability) | MLB StatsAPI |
| Pitching Detail (K/BB, HR9) | Home K/BB 2.48 · HR9 0.99 / Away K/BB 2.20 · HR9 1.06 | MLB StatsAPI |
Qualitative & folklore factors 4 factors · fully disclosed
Qualitative · Pirates' Rotation Shuffle
Pittsburgh Pirates starting pitcher Jared Jones' rotation shuffle has reportedly created an intriguing opening for a September audition.
Basis: LLM · news · Pirates’ Jared Jones rotation shuffle creates intr
Qualitative · Key Bullpen Injury
The Pittsburgh Pirates have lost key bullpen arm Kirby Yates to injury, impacting their relief corps.
Basis: LLM · news · Pirates Lose Kirby Yates to Injury
Qualitative · Rookie Return from IL
Pirates rookie Konnor Griffin is eyeing a Friday return from the 60-day IL, potentially boosting the lineup.
Basis: LLM · news · Pirates rookie Konnor Griffin eyes Friday return f
Qualitative · Pirates Sign Power Hitter
The Pittsburgh Pirates have signed a power-hitting outfielder before their crucial series against the Angels.
Basis: LLM · news · Pittsburgh Pirates Sign Power-Hitting Outfielder B
12 source headlines (auto-collected · basis disclosed)
- Angels vs. Pirates (Sep 4, 2026) Pregame
- Los Angeles Angels at Pittsburgh Pirates Preview - 09/04/2026
- Angels vs. Pirates (5 Sep, 2026) Live Score
- Los Angeles Angels vs. Pittsburgh Pirates - Live Score - September 04, 2026
- Pirates vs. Angels: Injury Report, Updates & Probable Starters – Sept. 4
- Pirates Announce Starting Pitchers For Crucial Series vs Angels
- Pittsburgh Pirates Sign Power-Hitting Outfielder Before Angels Series
- How to Watch Pirates vs. Angels Tonight: Channel, Live Stream & Start Time for Friday MLB Game
Frequently asked questions This game's prediction summary
Los Angeles Angels vs Pittsburgh Pirates — who's more likely to win?
SealedSlate's logistic-regression statistical model gives Pittsburgh Pirates a 74% chance to win (Home 74% · Away 26%). MLB · 2026-09-05 07:45 KST.
How was the 73.5% 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 73.5%. 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.