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.

Valdez (elbow) will start Sunday's game against the Rockies, Chandler Rome of The Athletic reports.

Valdez (elbow) completed a 40-pitch bullpen session Wednesday and is scheduled to pitch Saturday or Sunday against the Rockies in Mexico City, Brian McTaggart of MLB.com reports.

Valdez (elbow) threw a 30-pitch bullpen session Saturday, Matt Kawahara of the Houston Chronicle reports.

Astros manager Joe Espada said Valdez (elbow) played catch Friday and could throw off a mound as soon as Saturday or Sunday, Matt Kawahara of the Houston Chronicle reports.

Valdez (elbow) played some light catch Monday, Chandler Rome of The Athletic reports.

Valdez (elbow) said he's scheduled to play catch Tuesday and hopes to return from the 15-day injured list when first eligible, Brian McTaggart of MLB.com reports.

Astros manager Joe Espada said Thursday that Valdez (elbow) is feeling better and could play catch within the next few days, Chandler Rome of The Athletic reports.

Valdez was placed on the 15-day injured list Tuesday with left elbow inflammation, Chandler Rome of The Athletic reports.