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Nats vs Mariners MLB Baseball Odds & Expert Parlay Picks

Washington and Seattle will meet on the field at T-Mobile Park in a battle of interleague teams.

(Photo by Getty Images) Emerson Hancock

Washington (25-30) at Seattle (30-24)

  • When: May 29 2025, 9:40 PM
  • Where: T-Mobile Park, Seattle
  • Where to watch: Fox Sports 1

Nationals at Mariners – Game Preview, Prediction and Player Props

Moneyline: Seattle -120 | Total: 7.5

Washington Nationals Outlook

The Nationals are hammering baseballs and silencing critics. James Wood has gone full beast mode, launching absolute nukes two nights in a row. His latest? A 435-foot blast off the right-field cafe, leaving the bat at 113.3 mph. That ties him with Kyle Schwarber for the most 112+ mph homers in a season in franchise history (since Statcast began).

He wasn’t done there, Wood added a two-run double later, proving he’s a weapon in any count. The Nats offense exploded with four homers in a 9-0 blowout, and manager Dave Martinez credited his team’s patience and discipline for the rebound after getting rocked in Game 1.

Lefty MacKenzie Gore (2-5, 3.47 ERA) gets the nod Thursday. He pitched a gem in his last outing despite a no-decision and already beat Seattle last year with 8 Ks in 7 innings of one-run ball.

Nationals Prop Picks:

James Wood Over 1.5 Total Bases – The rookie’s timing is perfect, and he’s crushing everything near the zone.
MacKenzie Gore Over 6.5 Strikeouts – Against a high-K lineup like Seattle, Gore is in a good spot to pile up whiffs.

Seattle Mariners Outlook

Seattle needs a short memory after Wednesday’s disaster. They managed just five singles and got blanked for the first time at home this season. They’ve now dropped four of their last six and are 2-12 when they don’t hit a home run, not a good sign in a park that suppresses power.

Right-hander Emerson Hancock (2-2, 5.95 ERA) will try to play stopper. He just picked up a win in Houston, allowing three runs over six innings. But he’ll need to be sharp, Washington isn’t chasing pitches right now.

The Mariners still have firepower if they can find the barrel.

Mariners Prop Picks:

Julio Rodriguez Over 1.5 Hits + Runs + RBIs – He’s the heartbeat of the offense and due for a bounce-back game at home.
Cal Raleigh to Record a Hit – A switch-hitter with pop, Raleigh’s a decent bet to reach against a lefty-heavy bullpen.

Final Score Prediction:

Washington finishes off the set behind another Gore gem and more chaos from Wood. Seattle’s bats stay cold, and the Nats take the series in convincing fashion.

Final Score Prediction: Nationals 5, Mariners 2
Lean: Washington ML (+103)
Total: 
Under 7.5 (-111)

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