The Seattle Mariners take on the Washington Nationals in Game 1 of a three-game series, with Seattle looking to rebound from a tough 1-3 series loss against division rival Houston. First pitch is Tuesday, May 27, at 6:40 p.m. PT/9:40 p.m. ET (7:40 p.m. MT) with a live broadcast on ROOT SPORTS Northwest and streaming live on demand.

• WATCH: Seattle Mariners baseball live for free with Fubo (free trial), or with DirecTV Stream (“Choice” and “Ultimate” packages only).

Where can I watch the Mariners vs Nats baseball today? What time is first pitch?

How to watch streaming live: You can watch these games live for FREE with Fubo (free trial) or with DirecTV Stream (“Choice” and “Ultimate” packages only). ROOT SPORTS Northwest is the local broadcast home of Seattle Mariners baseball games , scheduled to televise over 150 games during the 2025 season.

Seattle Mariners vs Washington Nationals spread, latest odds

Spread: SEA: -1.5 | WAS: +1.5

Over/Under: 8.5