MLB · ALCS Game 1
Guardians vs Rays Prediction, Odds & Pick (Oct 12, 2026)
Post-gameFinal: Guardians 7, Rays 3
The lean hit. The Guardians won 7-3.
That's one result. A single win doesn't prove the edge was real, the same way a loss wouldn't disprove it. The record page tracks the long run.
Model vs marketThe numbers
| Team | Model | mid | Ask | Edge vs mid | Edge vs ask | DraftKings no-vig |
|---|---|---|---|---|---|---|
| Cleveland Guardians lean | 46.7% | 39.5¢ | 40¢ | +7.2¢ | +6.7¢ | 40.0% |
| Tampa Bay Rays | 53.3% | 60.5¢ | 61¢ | -7.2¢ | -7.7¢ | 60.0% |
Snapshot: Oct 13, 2026, 06:44 UTC+8 (last pregame data pull). Edge = model probability minus price, in cents per $1 share.
SetupWhat this game is
The Guardians and the Rays meet at Tropicana Field for ALCS Game 1. First pitch is set for 8:00 PM EDT, which is 08:00 on Oct 13 in UTC+8.
Regular-season records coming in were 85-77 for the Guardians and 98-64 for the Rays.
Model vs marketWhere the model and the market disagree
On our numbers the Guardians win this 46.7% of the time. The market said 39.5¢ at the mid and 40¢ to buy, so the edge works out to +7.2¢ vs the mid and +6.7¢ vs the ask.
For the Rays it's the mirror image: 53.3% on the model vs 60.5¢ on the market.
Liquidity on the market was about $1.03M when we pulled the book (Oct 13, 2026, 06:43 UTC+8). MLB leans need at least 1.8¢ of edge at the ask.
MatchupPitching and series
On the mound: Foster Griffin for the Guardians (3.60 ERA) against Drew Rasmussen for the Rays (2.67 ERA). On ERA alone the Rays have the better starter by 0.93 runs.
The pitcher adjustment in the model is worth roughly 2.0 points, in favor of the Rays.
Worth knowing: the MLB model adjusts for the probable starters, but it does not read the posted lineup card.
BooksWhat the books say
Over at DraftKings it was TB -169 with the total at 6.5. No-vig, the Guardians come out at 40.0%. Across 30 books the server tracks (3 flagged as sharp), the no-vig number for the Guardians was 39.5%. ESPN's matchup predictor had the Rays at 63.8% and the Guardians at 36.2%.
So the model is 6.7 points higher on the Guardians than the no-vig book number. When the gap is that big and the books agree with Polymarket, the model is the outlier, and that's worth knowing before reading too much into the edge.
AvailabilityAvailability report
ESPN's injury report for the Guardians: Andrew Walters (elbow, out).
On the Rays side, ESPN listed Shane McClanahan (forearm, out). That's a rest day, not an injury.
VerdictThe call
Formal lean on the Guardians. The executable edge (+6.7¢) clears the 1.8¢ bar, which is the whole test. It goes on the record win or lose.
To be clear about what kind of lean this is: the sportsbooks sided with Polymarket, so this is the model against the consensus. Set expectations accordingly.
Line movementHow the price moved
The Guardians price moved from 40.5¢ to 39.5¢ between our Oct 12, 2026, 21:50 and Oct 13, 2026, 06:44 snapshots (UTC+8).
The model's own number moved too, from 47.8% to 46.7%.
MoreRelated pages
SourcesWhere these numbers come from
- Polymarket market: order book (bid, ask, mid) and liquidity
- ESPN game page: schedule, venue, injuries, DraftKings line, final score
- FOOFIGHTER model: MLB server signals (pitcher-adjusted)
- MLB Stats API: probable starters and ERA via the server intel feed
- Original model log post on X: published 2026-10-12