NBA : Washington Nationals vs Seattle Mariners Odds & Prediction

Game Info: May 27, 2025 9:40PM EDT @ T-Mobile Park

The two teams have experienced soaring highs and distressing lows of late. The Nationals tend to write their name with each heart-pounding close game. While the Mariners fight bitterly on the road. Worth watching because there will be fully action-packed games on both sides.

Betting Odds and Info

These are the latest odds as of writing:

Moneyline: Nationals 2.44 , Mariners 1.62

Spread: Nationals +1.5 , Mariners -1.5

Over/Under: 8.5

Team Recent Performance

Washington Nationals

They lost to San Francisco by 2-3 on May 26 but had a +1.5 spread and went under the overall 7.5. This had happened a day earlier, culminating in another 3-0 win over San Francisco, with the same coverage on the +1.5 spread but less than overall. On May 24th, they failed to get a +1.5 spread under 7.5 after being beaten 0-4 again by San Francisco. The 23rd of May saw the Nationals winning their match against Atlanta with a score of 8-7, covering the +1.5 spread and going over on the total 8.5. On May 21, they managed to have another victory over Atlanta, taking it with a score of 5-3 while also meeting the requirement of covering the +1.5 spread, and leaving the total under 8.5.

Seattle Mariners

On May 26, they lost 5-3 at Houston, missing both the -1.5 spread and the under 8.5 total. The day before, they lost again at Houston, this time 1-2, failing to cover the -1.5 spread and the under 7 total. They beat Houston 5-3 on May 24th, covering the -1.5 spread and going under 8.5 total. The previous day, they met with a heavy loss of 2-9 at Houston, thereby missing out on the -1.5 spread but going over 8 total. On May 22, they again pulled through at Chicago White Sox, winning 6-5 but still not covering the -1.5 spread while going over on 8.5.

Team Head-to-Head Matchup

The Washington Nationals, averaging 3.90 runs, have a slight head-to-head edge over the Seattle Mariners, who average 3.70. They are also higher on the leaderboard with hits per game, 7.90, against Seattle’s 7.10. Seattle, though, draws more walks (2.70) than Washington (2.50), while Seattle strikes out much more at 9.30 per game as opposed to Washington at 7.70. Both are identical concerning over/under at 4-6.

Team Injuries Update

Washington Nationals

Paul DeJong (IF, nose), Josiah Gray (P, elbow), Andres Chaparro (IF, oblique), Cade Cavalli (P, elbow), and DJ Herz (P, elbow) are out.

Seattle Mariners

Victor Robles (OF, shoulder), Logan Gilbert (P, elbow), and Bryce Miller (P, elbow) are out.

SPORTBOOK.AG’s Prediction

The Seattle Mariners will win and cover the spread with the total staying under 8.5.

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