Cincinnati Reds @ Seattle Mariners
CRAwayCincinnati Reds37%
@SMHomeSeattle Mariners63%
Model PickSeattle Mariners 63%Market edge — disclosed after closing odds are collectedEvidence 12 structured · 2 qualitative
The model favors Seattle Mariners at 63% — a clear favorite. The main drivers are Team ERA, Team WHIP, offset by Starting Pitcher Matchup.
Logistic-regression statistical model — predicts Cincinnati Reds vs Seattle Mariners 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 63% home win was derived
Home Advantage+2.5
Pythagorean Expectation+3.7
Season Win%+0.9
Home/Away Split+1.4
Team SLG-1.5
Team ERA+8.5
Team WHIP+5.8
Starting Pitcher Matchup-7.9
Baseline 50% → final home win63.4%
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 | Seattle Mariners at home — MLB historical home win rate ~.535 (ballpark familiarity, no travel) | MLB StatsAPI |
| Pythagorean Expectation | Home 52.4% (410 RS/389 RA) vs Away 43.2% (414/481) — strength from runs scored/allowed | MLB StatsAPI |
| Season Win% | Home 51-50 (.505) vs Away 45-54 (.455) | MLB StatsAPI |
| Last 10 Games Form | Home 4-6 vs Away 4-6 · Home W3 | MLB StatsAPI |
| Home/Away Split | Home team home 30-21 · away team away 23-26 | MLB StatsAPI |
| Team OBP | Home .310 vs Away .310 — foundation of scoring | MLB StatsAPI |
| Team SLG | Home .378 vs Away .399 (OPS .688/.709) | MLB StatsAPI |
| Team ERA | Home 3.57 vs Away 4.60 — lower is better | MLB StatsAPI |
| Team WHIP | Home 1.17 vs Away 1.44 — baserunners allowed per inning (lower is better) | MLB StatsAPI |
| Starting Pitcher Matchup | Home Luis Castillo (ERA 4.93) vs Away Chase Burns (ERA 2.54) | MLB StatsAPI |
| Hitting Detail (BABIP, K, BB) | Home BABIP .272 · K 867 · BB 337 / Away BABIP .279 · K 928 · BB 360 (BABIP is luck-driven → not factored into probability) | MLB StatsAPI |
| Pitching Detail (K/BB, HR9) | Home K/BB 3.47 · HR9 0.96 / Away K/BB 1.86 · HR9 1.37 | MLB StatsAPI |
Qualitative & folklore factors 2 factors · fully disclosed
Qualitative · Former Mariner Returns
A former fan-favorite Seattle Mariners player is returning to Seattle as part of the Cincinnati Reds, which could create an emotional atmosphere and impact the game's dynamic.
Basis: LLM · news · Former Seattle Mariners Fan-Favorite Makes Return
Qualitative · Reds' Blowout Aftermath
The Reds suffered a significant blowout loss to the Mariners in their previous game, which could negatively affect team morale and strategic adjustments for this matchup.
Basis: LLM · news · Mistakes abound, Reds get blown out by the Seattle
12 source headlines (auto-collected · basis disclosed)
- Cincinnati Reds at Seattle Mariners Preview - 07/20/2026
- Mistakes abound, Reds get blown out by the Seattle Mariners
- Redlegs: Mariners vs. Reds Series Preview
- How to watch Reds vs. Mariners: TV channel and streaming options for July 20
- Cincinnati Reds vs. Seattle Mariners- Andrew Abbott vs. George Kirby
- Cincinnati Reds vs Seattle Mariners Live Stream: How to Watch MLB
- Cincinnati Reds at Seattle Mariners Game Story, Scores/Highlights - 07/20/2026
- Seattle Mariners vs. Cincinnati Reds prediction, pick for MLB on Monday 7/20/26
Frequently asked questions This game's prediction summary
Cincinnati Reds vs Seattle Mariners — who's more likely to win?
SealedSlate's logistic-regression statistical model gives Seattle Mariners a 63% chance to win (Home 63% · Away 37%). MLB · 2026-07-22 10:40 KST.
How was the 63.4% 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 63.4%. 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.