The calendar may say late May, but there was no mistaking the urgency facing the Houston Astros. A 10-game homestand commenced Thursday with the first of four games against the team above the Astros and atop the American League West.

Jose Altuve homered twice and drove in a season-high four runs and Jeremy Peña tripled for his 500th career hit to help the Houston Astros to a 9-2 win over the Seattle Mariners on Thursday night.

Yandy Díaz hit a three-run homer, among Tampa Bay's four home runs in the game, and the Rays beat the Houston Astros 8-4 on Wednesday to win their three-game series. Díaz's shot in the bottom of the eighth followed Josh Lowe and Brandon Lowe homering back-to-back in the fifth and Curtis Mead's first of the season in the fourth.

Detmers pitched the majors' second no-hitter this season, cruising after he benefited from a borderline error call in the seventh inning as the Angels beat the Tampa Bay Rays 12-0.

The Houston Astros placed right-hander Ronel Blanco on the 15-day injured list Thursday with inflammation in his right elbow