Houston Astros @ Tampa Bay Rays
HAAwayHouston Astros31%
@TBRHomeTampa Bay Rays69%
Model PickTampa Bay Rays 69%Market edge — disclosed after closing odds are collectedEvidence 12 structured · 3 qualitative
AI Summary grounded in real data · zero hallucination
We project a Tampa Bay Rays victory with a 69% probability. This pick is heavily supported by significant advantages in Team ERA and Team WHIP, though the negative Starting Pitcher Matchup remains the primary swing risk. As the edge against the market is uncalculated, we maintain our honest stance that our model does not beat the market in the long run.
Logistic-regression statistical model — predicts Houston Astros vs Tampa Bay Rays 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 69% home win was derived
Home Advantage+2.5
Pythagorean Expectation+2.8
Season Win%+1.6
Last 10 Games Form+1.2
Home/Away Split+1.7
Team OBP+1.9
Team SLG-0.4
Team ERA+5.8
Team WHIP+4.1
Starting Pitcher Matchup-2.1
Baseline 50% → final home win69%
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 | Tampa Bay Rays at home — MLB historical home win rate ~.535 (ballpark familiarity, no travel) | MLB StatsAPI |
| Pythagorean Expectation | Home 54.2% (665 RS/607 RA) vs Away 47.2% (663/705) — strength from runs scored/allowed | MLB StatsAPI |
| Season Win% | Home 88-59 (.599) vs Away 75-73 (.507) | MLB StatsAPI |
| Last 10 Games Form | Home 6-4 vs Away 5-5 · Home W1 | MLB StatsAPI |
| Home/Away Split | Home team home 48-25 · away team away 38-35 | MLB StatsAPI |
| Team OBP | Home .328 vs Away .315 — foundation of scoring | MLB StatsAPI |
| Team SLG | Home .404 vs Away .409 (OPS .732/.724) | MLB StatsAPI |
| Team ERA | Home 3.79 vs Away 4.51 — lower is better | MLB StatsAPI |
| Team WHIP | Home 1.15 vs Away 1.34 — baserunners allowed per inning (lower is better) | MLB StatsAPI |
| Starting Pitcher Matchup | Home Ian Seymour (ERA 4.33) vs Away Peter Lambert (ERA 3.67) | MLB StatsAPI |
| Hitting Detail (BABIP, K, BB) | Home BABIP .296 · K 1022 · BB 468 / Away BABIP .279 · K 1212 · BB 482 (BABIP is luck-driven → not factored into probability) | MLB StatsAPI |
| Pitching Detail (K/BB, HR9) | Home K/BB 3.22 · HR9 1.25 / Away K/BB 2.17 · HR9 1.29 | MLB StatsAPI |
Qualitative & folklore factors 3 factors · fully disclosed
Qualitative · Rays' Playoff Push
The Tampa Bay Rays are eyeing their first playoff berth since 2023, which will be a significant motivational factor for the entire team.
Basis: LLM · news · Rays Face Astros, Eye First Playoff Berth Since 20
Qualitative · Astros' Playoff Reality Check
The Houston Astros' loss to the Rays exposed their flaws and showed them what a playoff-caliber team looks like.
Basis: LLM · news · Astros see what a playoff team looks like in loss
Qualitative · Astros Announce Pivotal Starters
The Houston Astros have announced their starting pitchers for this pivotal series against the Rays, indicating its strategic importance to the team.
Basis: LLM · news · Astros Announce Starting Pitchers for Pivotal Seri
12 source headlines (auto-collected · basis disclosed)
- Houston Astros at Tampa Bay Rays Game Story, Scores/Highlights - 09/11/2026
- How to watch Astros vs. Rays: TV channel and streaming options for September 11
- Houston Astros at Tampa Bay Rays - Where to Watch, Stream Info, TV Channel, and Live Updates (September 11, 2026)
- Astros vs Rays Prediction, Pick, MLB Odds for Friday, September 11
- Rays Face Astros, Eye First Playoff Berth Since 2023
- Astros Announce Starting Pitchers for Pivotal Series Against Rays
- Astros vs. Rays (12 Sep, 2026) Pregame
- Astros see what a playoff team looks like in loss to Rays and face their flaws
Frequently asked questions This game's prediction summary
Houston Astros vs Tampa Bay Rays — who's more likely to win?
SealedSlate's logistic-regression statistical model gives Tampa Bay Rays a 69% chance to win (Home 69% · Away 31%). MLB · 2026-09-13 07:10 KST.
How was the 69% 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%. 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.