Seattle Mariners defeat Houston Astros 3-1: Recap & Betting Results

Mon, May 11, 2026 · MLB · Seattle Mariners 3, Houston Astros 1

The Seattle Mariners beat the Houston Astros 3-1 on Monday, May 11, 2026, at Daikin Park. The Seattle Mariners covered the run line as 1.5-run favorites. The game went under the closing total of 8.5, with 4 runs combined.

Seattle Mariners vs. Houston Astros final score and game recap

The Seattle Mariners won by 2 runs.

The leading performers, from the box score:

Who covered the spread in Seattle Mariners vs. Houston Astros?

The Seattle Mariners covered the run line as 1.5-run favorites, winning by 2 runs.

The run line opened and closed at Seattle Mariners -1.5.

Did Seattle Mariners vs. Houston Astros go over or under the total?

The game went under: 4 runs combined against a closing total of 8.5, under by 4.5.

The total opened and closed at 8.5.

This result left the Seattle Mariners 20-22 in the 2026 regular season (12-11 at home, 8-11 away or at neutral sites). Against the run line, they covered in 14 of 38 games with a closing line on file. Their games went over the closing total 16 times and under 21 times, with 1 push.

This result left the Houston Astros 16-26 in the 2026 regular season (9-11 at home, 7-15 away or at neutral sites). Against the run line, they covered in 14 of 38 games with a closing line on file. Their games went over the closing total 23 times and under 14 times, with 1 push. That made it three straight losses for the Houston Astros.

What's next for Seattle Mariners and Houston Astros?

Next for the Seattle Mariners: at the Houston Astros on Tuesday, May 12, 2026. Next for the Houston Astros: the Seattle Mariners at home on Tuesday, May 12, 2026.