Sources tell NFL Network that Matt Schaub has torn ligaments in his ankle. Essentially, an ankle sprain consists of torn ligaments. Perhaps we're being conspiracy theorists, but leaking this injury to sound bad could be a case of the Texans wanting to get another look at Case Keenum. The undrafted rookie was extremely impressive prior to the bye, completing 15-of-25 passes for 271 yards, one touchdown and one turnover in a brutal spot at Kansas City. The source tells the NFL Network that Schaub will attempt to play through his injury, but may not be "right" all season.