Seattle Mariners at Toronto Blue Jays
All Seattle Mariners predictions · All Toronto Blue Jays predictions
MLB · Friday, August 28, 2026 · 7:16 PM · Final: 1-8
Closing moneyline by book
The last price each book posted before first pitch — the prices this call could actually have been bet at. Best on each side is highlighted. In-game odds are deliberately excluded: once the game starts, the price tracks the score, not the matchup.
| Book | Seattle Mariners | Toronto Blue Jays |
|---|---|---|
| BetMGM | +125 | -150 |
| BetRivers | +133 | -159 |
| DraftKings | +131 | -140 |
| ESPN BET | +126 | -142 |
| Fanatics | +120 | -145 |
| FanDuel | +130 | -140 |
| Hard Rock Bet | +130 | -140 |
| Caesars | +127 | -137 |
Spread & total
Not part of the model's call. Collected from every book and graded in public so the prices can be checked — how spreads and totals have graded so far. The percent is what the price itself implies, vig removed.
| Spread by book | Mariners | Blue Jays |
|---|---|---|
| BetMGM | +1.5 -175 | −1.5 +145 |
| BetRivers | +1.5 -175 | −1.5 +140 |
| DraftKings | +1.5 -175 | −1.5 +144 |
| ESPN BET | +1.5 -180 | −1.5 +150 |
| Fanatics | +1.5 -180 | −1.5 +145 |
| FanDuel | +1.5 -176 | −1.5 +146 |
| Hard Rock Bet | +1.5 -165 | −1.5 +155 |
| Caesars | +1.5 -178 | −1.5 +150 |
| Total by book | Over | Under |
|---|---|---|
| BetMGM | 7 +100 | 7 -130 |
| BetRivers | 6.5 -124 | 6.5 +102 |
| DraftKings | 7 -102 | 7 -119 |
| ESPN BET | 6.5 -130 | 6.5 +110 |
| Fanatics | 7 +100 | 7 -120 |
| FanDuel | 6.5 -128 | 6.5 +104 |
| Hard Rock Bet | 6.5 -125 | 6.5 +115 |
| Caesars | 7 +100 | 7 -120 |
Prediction markets vs the books
Every venue sells the same thing — a dollar if that side wins — at a different price. Implied cost per venue below; amber = the cheapest way to buy that side at the close.
| Venue | Seattle Mariners | Toronto Blue Jays |
|---|---|---|
| Books consensus fair, de-vigged | 42.7% | 57.3% |
| Best book price incl. vig | 42.9% | 57.8% |
| Kalshi contract price | 42.1% | 57.9% |
| Polymarket contract price | 42.5% | 57.5% |
| Markets average | 42.3% | 57.7% |
Contract prices exclude exchange trading fees (Kalshi ~1–2¢ midrange), which narrow small gaps. A venue meaningfully below the books consensus is either a bargain or an early opinion — the graded record decides which.