Washington Nationals vs Seattle Mariners MLB Betting Prediction
PublishedMay 29, 2025,            Posted By: Maria Uebelhor
Last updated:May 29, 2025 ,

MLB Washington Nationals vs Seattle Mariners Prediction 5/28

The Washington Nationals are set to play against the Seattle Mariners on Wednesday, May 28, 2025. The game will take place at T-Mobile Park. It is scheduled to start at 9:40 PM under the night sky.

Nationals vs. Mariners Betting Prediction

  • Money Line Prediction: Nationals MoneyLine +181. The Nationals have a chance to win with Trevor Williams on the mound. Despite his high ERA, George Kirby’s recent struggles may give the Nationals an edge.
  • Over/Under Prediction: Over 8.0 (-115). Both starting pitchers have high ERAs, suggesting a higher-scoring game. The Nationals and Mariners have shown hitting power, which could lead to more runs.

Team Trends

  • The Washington Nationals have a home record of 13-14 this season.
  • The Seattle Mariners have a division record of 14-8 this season.
  • In a recent game against the San Francisco Giants, the Nationals had 4 extra base hits compared to the Giants’ 3.
  • Julio Rodríguez from the Mariners went 3 for 5 with 2 runs in a recent game against the Houston Astros.
  • In a recent game against the Atlanta Braves, the Nationals scored 8 runs on 12 hits.

Nationals vs Mariners Preview

The Washington Nationals head to T-Mobile Park to face the Seattle Mariners on Wednesday night. The game begins at 9:40 PM and features Trevor Williams on the mound for the Nationals. Williams has an ERA of 6.38 and a WHIP of 1.56, aiming to improve his performance against the Mariners.

The Mariners will start George Kirby, who has struggled with an ERA of 12.27 and a WHIP of 1.91. Both teams look to capitalize on the pitching matchup. Fans can expect an interesting game as these pitchers take the spotlight under the night sky in Seattle.

Seattle Mariners: Power at the Plate

Cal Raleigh is leading the Mariners with impressive stats. He has a .258 batting average and a league-leading 19 home runs. Raleigh also leads the league with 35 runs and 37 RBIs. J.P. Crawford is another key player for the Mariners. He has a .261 batting average and has scored 25 runs. Crawford’s on-base percentage is a strong .384. Jorge Polanco brings power to the Mariners’ lineup. He has a .282 batting average and 10 home runs. Polanco also has 30 RBIs, ranking second on the team.

Washington Nationals: Key Players to Watch

CJ Abrams is a standout for the Nationals. He has a .287 batting average and leads the team with 8 home runs. Abrams also has 27 runs, which is the highest on the team. Nathaniel Lowe is another important player. He has a .224 batting average but contributes with 34 RBIs, leading the team in this category. His 8 home runs tie him with Abrams for the team lead. Luis García Jr. has played 47 games this season. He has a .233 batting average and has scored 21 runs. García Jr. also has 19 RBIs, showing his ability to drive in runs.

Final Betting Pick

The Nationals MoneyLine at +181 is a good pick due to Trevor Williams’ potential on the mound. While his ERA is high, George Kirby’s recent struggles with a 12.27 ERA could offer the Nationals an opportunity. The Nationals have shown they can compete, as seen in their recent games against strong teams like the Braves.

The Over 8.0 prediction is supported by both teams’ ability to score runs. The Nationals and Mariners have hitters like CJ Abrams and Cal Raleigh, who can drive in runs. With both starting pitchers having high ERAs, this game could see plenty of scoring opportunities, making the Over a solid choice.

All odds are courtesy of Action247 Sportsbook. Good luck!!

* All odds are provided by Action247 Sportsbook and all odds subject to change. **All views expressed are my own. My picks are my own and are not a guarantee, bet at your own risk. Action247 does not warrant the accuracy of completeness of the information, text, graphics, links or other items contained within these post.