Zack Greinke will start on the mound Saturday for the Houston Astros in their game against the Los Angeles Angels in Anaheim, Calif., hoping he’ll have a little more in the gas tank than he did in his first start of the season last Sunday against the Seattle Mariners.

Greinke, who got a no-decision, gave up three runs on four hits and two walks while making 58 pitches in 3 1/3 innings of a 7-6 loss.

“Not too happy with anything,” Greinke told reporters after the game. “Command wasn’t great, stuff wasn’t great, endurance wasn’t even good at all.”

His lack of endurance likely was the root of his problems. He compared the start to a start early in spring training. His average fastball was clocked at 87.7 mph, down from 89.9 last season.

While Greinke said he expects to feel a little better Saturday against the Angels, he said he’ll need