Its Wednesday, May 28 and the Nationals (24-30) are in Seattle to take on the Mariners (30-23). Trevor Williams is slated to take the mound for Washington against George Kirby for Seattle. After losing back-to-back games to the Astros, the Mariners picked up a 9-1 win, in game one of the series with the Nationals.

Pregame analysis and predictions of the Washington Nationals vs. Seattle Mariners MLB game to be played on May 27, 2025 on ESPN.

Get Seattle vs Washington baseball betting preview, spread and over/under insights for their matchup on May 29.

Washington manages just four hits against Mariners righty Logan Evans, who stymies the Nats with an 88-pitch, eight-inning gem in Seattle’s 9-1 win.

Get Mariners vs Nationals baseball betting preview, spread and over/under insights for their matchup on May 27.

Here are the best bets our model is projecting for Friday’s game between the Nationals and the Diamondbacks: Moneyline: NBC Sports Bet is recommending a play on the Arizona Diamondbacks on the Moneyline. Spread: NBC Sports Bet is leaning towards a play ATS on the Washington Nationals at +1.5.

Josh Bell hit a three-run homer and Luis Garcia Jr. added a two-RBI double in a seven-run 10th inning as the Washington Nationals defeated the host Seattle Mariners 9-3 Thursday night.