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Arizona Diamondbacks vs Seattle Mariners — 2026-05-31

4:10 PM ETT-Mobile ParkSP: Merrill Kelly vs Bryce MillerMLBFINAL
Recap

Seattle Mariners won 3-2 over Arizona Diamondbacks on 2026-05-31. Our pre-game pick hit. Margin of 1 run.

Model prediction (pre-game)

Arizona Diamondbacks
54%
Seattle Mariners
46%
Projected
Diamondbacks 4.5 - 4.4 Mariners

What our model sees

Our MLB model rates Arizona Diamondbacks as the more likely winner at 54%. The driver is a 54-point Elo gap (1544 vs 1491) reflecting roster strength, recent results, and quality-of-opposition adjustments. Seattle Mariners would need above-baseline variance to flip the script. This page auto-updates with the final score and our recap once the game ends.

Recent form (last 10)

Arizona Diamondbacks
No recent games on file.
Seattle Mariners
No recent games on file.

What we said before the game

Pre-game model: Arizona Diamondbacks 54% / Seattle Mariners 46%. Projected Arizona Diamondbacks 4.5 — 4.4 Seattle Mariners.

Our MLB model rates Arizona Diamondbacks as the more likely winner at 54%. The driver is a 54-point Elo gap (1544 vs 1491) reflecting roster strength, recent results, and quality-of-opposition adjustments. Seattle Mariners would need above-baseline variance to flip the script. This page auto-updates with the final score and our recap once the game ends.

Our model said X. Here's what happened.

Pre-game call: Seattle Mariners ML at -145 at -145. Pre-game: model 64.3% vs market 57.0% implied, a +7.3pp edge.

What happened: Arizona Diamondbacks 2 @ Seattle Mariners 3.

Bet returned +0.69u on 1u risked.

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