Seattle Mariners vs Houston Astros Live Stream: How to Watch MLB

The Seattle Mariners look for their 10th straight win over the Houston Astros as they try to clinch a series win on Wednesday

The Seattle Mariners (21-22), fresh off taking the first two games of a four-game set with the Houston Astros (16-27), look for the series victory as the teams square off again on Wednesday night at Daikin Park in Houston. Seattle comes in with 10 straight wins against the Astros, a streak that dates back to last season and continued with a four-game sweep at home in April. Houston enters play with a four-game losing streak and sits tied with the Los Angeles Angels with the worst record in MLB.

How to Watch Mariners vs Astros in MLB Today:

Game Date: Wednesday, May 13, 2026

Game Time: 8 p.m. ET

TV: Space City Home Network, Mariners.TV, MLB.TV – Houston Astros

Location: Daikin Park

Live stream the Mariners vs Astros MLB game on Fubo: Start watching now!

Dominic Canzone clubbed his first career grand slam while Randy Arozarena put together a 4-for-4 night with a home run and three RBI as the Mariners blasted the Astros 10-2 on Tuesday night. Bryan Woo worked the first six innings, allowing two runs on four hits while striking out nine and Cal Raleigh — after showering in full uniform after Monday’s game — broke out of an 0-for-38 slump with a pair of hits.

Houston tied the game in the third on Christian Walker’s RBI double after Braden Shewmake drove in a run in the second inning. Right-hander Tatsuya Imai made his first start since April 10, coming off the injured list to allow six runs on five hits with three walks over four innings. The Japanese free agent is 1-1 with a 9.24 ERA and 14 walks in 12.2 innings in his first four big-league starts.

The Astros go with right-hander Lance McCullers Jr. (2-3) on Wednesday night. The veteran comes in with a 7.41 ERA and 1.500 WHIP in seven starts, striking out 37 in 34 innings. Right-hander Bryce Miller, out since spring training with an oblique injury, will be activated from the injured list to start for Seattle on Wednesday. Last season, Miller was limited to 18 starts due to recurring elbow inflammation and was 4-6 with a 5.68 ERA and 1.406 WHIP in 90.1 innings.

What Time Is Mariners vs Astros On?

The Mariners vs Astros game takes place on Wednesday, May 13, 2026, at 8 p.m. ET. Tune in and catch some great MLB action.

What Channel Is The Mariners vs Astros Game On?

Looking to watch this game? Fans outside the local markets can tune into MLB.TV – Houston Astros to see the action, while those in the Seattle area can catch the game on Mariners.TV and viewers in the Houston market can check out the contest on Space City Home Network. Make sure you subscribe to Fubo now to watch this matchup, as well as numerous other sports leagues.

Live stream Mariners vs Astros on Fubo: Start watching now!

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