Brown (back) did not throw Thursday, Brian McTaggart of MLB.com reports.

EDGE Analysis

It might have just been another rest day for Brown's lower-back tightness, which caused him to miss a scheduled Grapefruit League start Wednesday against the Mets. Astros manager Dusty Baker offered no update on the status of the 24-year-old right-hander, who had been cruising toward the final spot in Houston's Opening Day rotation before the injury surfaced.