Whitley threw a live batting-practice session Thursday, Mike Rosenbaum of MLB.com reports.

EDGE Analysis

Whitley, the Astros first-round draft pick (17th overall) in the 2016 draft, said his main focus is calming down his tempo. Pitchers that throw as hard as Whitley can get into the habit of overthrowing. He met with Astros pitching coordinator Doug White, who told him easing up on his delivery will take some stress of his arm and body. The 19-year-old right-hander could start the season at Low-A Quad Cities.