MLB · ALDS Game 3
Guardians vs White Sox Prediction, Odds & Pick (Oct 7, 2026)
Post-gameFinal: Guardians 9, White Sox 3
Not graded (honest pass). For reference only: the side with the model's small edge, the White Sox, lost.
Model vs marketThe numbers
| Team | Model | mid | Ask | Edge vs mid | Edge vs ask | DraftKings no-vig |
|---|---|---|---|---|---|---|
| Cleveland Guardians | 46.4% | 48.5¢ | 49¢ | -2.1¢ | -2.6¢ | 47.7% |
| Chicago White Sox best side | 53.6% | 51.5¢ | 52¢ | +2.1¢ | +1.6¢ | 52.3% |
Snapshot: Oct 7, 2026, 21:46 UTC+8 (last pregame data pull). Edge = model probability minus price, in cents per $1 share.
SetupMatchup and context
ALDS Game 3 puts the Guardians at Rate Field against the White Sox, scheduled for 4:00 PM EDT (04:00 on Oct 8, UTC+8).
The White Sox are up 2-0 in the series. In a best-of-five, that means the Guardians are facing elimination and the White Sox have a chance to finish it. Regular-season records: Guardians 85-77, White Sox 84-78.
Model vs marketPrice check
The model has the White Sox at 53.6%. Polymarket priced them at 51.5¢ at the mid, with the best ask at 52¢. That's +2.1¢ of edge at the mid and +1.6¢ at the ask, and the ask is the number that matters because it's what you would actually pay.
For the Guardians it's the mirror image: 46.4% on the model vs 48.5¢ on the market.
The market had roughly $409K of liquidity when we pulled the book (Oct 7, 2026, 21:45 UTC+8). MLB leans need at least 1.8¢ of edge at the ask.
MatchupStarting pitchers
Daniel Espino (4.11 ERA) starts for the Guardians, and Sean Newcomb (3.09 ERA) goes for the White Sox. On ERA alone the White Sox have the better starter by 1.02 runs.
The pitcher adjustment in the model is worth roughly 2.2 points, in favor of the White Sox.
Run totals in the series so far: White Sox 7, Guardians 3.
The MLB model is pitcher-adjusted: it accounts for the listed starters, not the full batting order.
BooksSportsbook check
The DraftKings line was CHW -121 with the total at 8, which de-vigs to 52.3% on the White Sox. Across 29 books the server tracks (3 flagged as sharp), the no-vig number for the White Sox was 52.3%. ESPN's matchup predictor had the White Sox at 67.3% and the Guardians at 32.7%.
The model and the books are basically in the same place on this one.
AvailabilityAvailability report
ESPN's injury report for the Guardians: Andrew Walters (elbow, out).
VerdictBottom line
Honest pass. The White Sox were the better side on the model, but +1.6¢ at the ask is under the 1.8¢ bar. Below the bar, spread and noise eat most of the edge, so passing is the call.
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 2026-10-07