How to Watch Mariners at Phillies (Aug. 18): Stream MLB Live, TV Channel

Logan Gilbert and the Seattle Mariners will open up a three-game series against a struggling Ranger Suarez and the Philadelphia Phillies on Monday night.

The Seattle Mariners will head on the road to start this week of Major League Baseball, taking on the Philadelphia Phillies at Citizens Bank Park in South Philadelphia on Monday night, opening up a three-game series. The Phillies have now won 70 games this season, heading into this series with a 71-53 record overall. They are the No. 1 team in the NL East, tied with the Los Angeles Dodgers, just seven games back from the NL-leading Milwaukee Brewers. They won two of three games in their last series against the Washington Nationals, winning the first game 6-2, before getting shut out 2-0, and securing the win 11-9 on Sunday.

How to Watch Seattle Mariners at Philadelphia Phillies Today:

Game Date: Monday, Aug. 18, 2025

Game Time: 6:40 p.m. ET

TV Channel: ATT ROOT Sports Northwest Main, MLB.TV – Seattle Mariners, NBC Sports Philadelphia

Location: Citizens Bank Park

Live stream Seattle Mariners at Philadelphia Phillies on Fubo: Start Watching Today!

The Mariners are holding above the .500 record at 68-57, just three games back from their opponent. They are the No. 2 team in the AL West, sitting one game behind the 69-55 Houston Astros. They are the No. 4 best team in the American League, despite losing four of their last five games and their last two straight series to the Baltimore Orioles and New York Mets.

Logan Gilbert will be the first on the mound in this opening game for Seattle. The right-hander is 3-4 in decided starts this season with a 3.31 ERA and a 0.98 WHIP. The starting pitcher has 124 strikeouts over 89.2 innings, while only conceding 65 hits. Gilbert’s last start came against the Baltimore Orioles, where his team lost 4-3. He gave up two earned runs on four hits over 6.1 innings with six strikeouts.

Philadelphia will counter Seattle’s batters by putting Ranger Suarez back on the mound tonight. The left-hander is 8-6 in his 2025 campaign with a 3.28 ERA and a 1.20 WHIP. He has given up 106 hits over 112.1 innings with 101 strikeouts. Suarez is in a rough patch, giving up 14 earned runs in his last three starts on 23 combined hits over 18.2 innings.

What Time Is The MLB Game Between Seattle and Philadelphia?

The Seattle Mariners at Philadelphia Phillies game will take place on Monday, August 18, 2025, at 6:40 p.m. ET. Tune in and catch some great Major League Baseball action.

What Channel Is The Seattle Mariners at Philadelphia Phillies Game On?

Looking to watch this game? Fans in the Seattle and Philadelphia areas can tune into ATT ROOT Sports Northwest Main and NBC Sports Philadelphia to see the action. Make sure you subscribe to Fubo now to watch this match and many other baseball games.

Live stream Seattle Mariners at Philadelphia Phillies on Fubo: Start Watching Today!

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