Valdez will start Game 1 of the wild-card series versus the Tigers on Tuesday, Julia Morales of AT&T SportsNet Southwest reports.

Valdez didn't factor into the decision Thursday against Oakland, allowing a run on five hits and a walk over 6.1 innings. He struck out six.

Valdez (14-6) picked up the win in Friday's 8-0 rout of the Diamondbacks, allowing two hits and three walks over seven scoreless innings. He struck out seven.

Valdez came away with a no-decision in Friday's 3-2 win over the Royals, walking three batters over seven no-hit, scoreless innings. He struck out seven.

Valdez (11-5) picked up the win Tuesday in a 4-2 victory over the Rangers, allowing two runs on one hit and three walks over 8.2 innings. He struck out five.

Valdez (9-5) picked up the win Friday, allowing four hits and two walks over 6.1 scoreless innings in a 5-0 victory over the Dodgers. He struck out 10.

Valdez did not factor into the decision in a win over Seattle on Saturday, allowing two runs on three hits and four walks over 5.2 innings. He struck out six.

Valdez (3-1) picked up the win over Oakland on Wednesday, hurling seven shutout innings while allowing just two hits and two walks. He struck out eight.

Valdez allowed two runs on five hits over five innings Sunday, striking out six and earning a win over the Rockies.

The Astros removed Valdez (elbow) from the 15-day injured list Saturday, per the MLB transaction log.