Valdez, who was scheduled to pitch in Saturday's Grapefruit League game against the Cardinals, will now pitch in a minor-league game on the back fields, Chandler Rome of the Houston Chronicle reports.

EDGE Analysis

Due to the threat of inclement weather Saturday, the Astros will alter Valdez's pitching plans to make sure that he's able to get some work in. The southpaw has been named the starter for Thursday's Opening Day matchup against the Angels, so Saturday's outing should serve as a final tune-up ahead of the regular season. Brandon Bielak will now serve as the starter in Saturday's Grapefruit League game.