Pittsburgh Pirates @ Chicago White Sox
PPAwayPittsburgh Pirates39%
@CWSHomeChicago White Sox61%
Model PickChicago White Sox 61%Market edge — disclosed after closing odds are collectedEvidence 12 structured · 1 qualitative
AI Summary grounded in real data · zero hallucination
Our model projects the Chicago White Sox with a 61% win probability, primarily driven by a strong 'Starting Pitcher Matchup'. However, the Pittsburgh Pirates show better 'Last 10 Games Form', and with no calculated market edge, confidence in this pick is limited.
Logistic-regression statistical model — predicts Pittsburgh Pirates vs Chicago White Sox 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 61% home win was derived
Home Advantage+2.5
Pythagorean Expectation+0.2
Season Win%+0.3
Last 10 Games Form-6.2
Home/Away Split+1.4
Team OBP-1.8
Team SLG+0.3
Team ERA+0.1
Team WHIP-0.2
Starting Pitcher Matchup+14.4
Baseline 50% → final home win61%
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 White Sox at home — MLB historical home win rate ~.535 (ballpark familiarity, no travel) | MLB StatsAPI |
| Pythagorean Expectation | Home 52.8% (685 RS/644 RA) vs Away 52.3% (707/673) — strength from runs scored/allowed | MLB StatsAPI |
| Season Win% | Home 75-70 (.517) vs Away 73-73 (.500) | MLB StatsAPI |
| Last 10 Games Form | Home 3-7 vs Away 8-2 · Home L2 | MLB StatsAPI |
| Home/Away Split | Home team home 43-30 · away team away 35-39 | MLB StatsAPI |
| Team OBP | Home .319 vs Away .331 — foundation of scoring | MLB StatsAPI |
| Team SLG | Home .407 vs Away .403 (OPS .726/.734) | MLB StatsAPI |
| Team ERA | Home 4.14 vs Away 4.15 — lower is better | MLB StatsAPI |
| Team WHIP | Home 1.31 vs Away 1.30 — baserunners allowed per inning (lower is better) | MLB StatsAPI |
| Starting Pitcher Matchup | Home Hagen Smith (ERA 0.56) vs Away Jared Jones (ERA 4.46) | MLB StatsAPI |
| Hitting Detail (BABIP, K, BB) | Home BABIP .284 · K 1327 · BB 520 / Away BABIP .315 · K 1370 · BB 519 (BABIP is luck-driven → not factored into probability) | MLB StatsAPI |
| Pitching Detail (K/BB, HR9) | Home K/BB 2.31 · HR9 1.14 / Away K/BB 2.54 · HR9 0.97 | MLB StatsAPI |
Qualitative & folklore factors 1 factors · fully disclosed
Qualitative · Benches Clear Aftermath
A recent game between the Pirates and White Sox saw benches clear, which could heighten emotional tension between the two teams in their next matchup.
Basis: LLM · news · Benches and Bullpens Clear Between Pirates and Whi
12 source headlines (auto-collected · basis disclosed)
- Pittsburgh Pirates at Chicago White Sox Game Story, Scores/Highlights - 09/08/2026
- Pittsburgh Pirates at Chicago White Sox: Lake Bachar vs. Davis Martin
- Pittsburgh Pirates at Chicago White Sox - Where to Watch, Stream Info, TV Channel, and Live Updates (September 08, 2026)
- How to watch Pirates vs. White Sox: TV channel and streaming options for September 8
- Pittsburgh Pirates vs. Chicago White Sox: Game Highlights
- Benches and Bullpens Clear Between Pirates and White Sox
- Photos: Pittsburgh Pirates 9, Chicago White Sox 3
- Pirates back at .500 with 4-2 win against White Sox
Frequently asked questions This game's prediction summary
Pittsburgh Pirates vs Chicago White Sox — who's more likely to win?
SealedSlate's logistic-regression statistical model gives Chicago White Sox a 61% chance to win (Home 61% · Away 39%). MLB · 2026-09-11 08:40 KST.
How was the 61% 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 61%. 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.