Houston Texans head coach Bill O'Brien speaks with a reporter during an NFL football pro day at Louisville in Louisville, Ky., Monday, March 17, 2014. (AP Photo/Timothy D. Easley)
Houston Texans' Owen Daniels (81) celebrates a touchdown against the Buffalo Bills in the first quarter of an NFL football game on Sunday, Nov. 4, 2012, in Houston. (AP Photo/Dave Einsel)
Houston Texans' Owen Daniels (81) makes a catch ahead of Jacksonville Jaguars' Derek Cox (21) during the second quarter of an NFL football game, Sunday, Nov. 18, 2012, in Houston. (AP Photo/Patric Schneider)
Houston Texans' Darryl Sharpton loses his helmet as he tackles Oakland Raiders' Rashad Jennings during the first half of an NFL football game Sunday, Nov. 17, 2013, in Houston. (AP Photo/Patric Schneider)
Jacksonville Jaguars running back Maurice Jones-Drew (32) gets tackled by Houston Texans inside linebacker Darryl Sharpton (51) before an NFL football game Sunday, Nov. 24, 2013, in Houston. (AP Photo/David J. Phillip)
Houston Texans inside linebacker Darryl Sharpton (51) sits on the bench in the fourth quarter of an NFL football game against the Tennessee Titans on Sunday, Dec. 2, 2012, in Nashville, Tenn. (AP Photo/Wade Payne)
Houston Texans defensive end Antonio Smith points during a break in play in the first half of an NFL football game against the Baltimore Ravens, Sunday, Sept. 22, 2013, in Baltimore. (AP Photo/Nick Wass)
Houston Texans defensive end Antonio Smith waits for the start of an AFC divisional playoff NFL football game against the New England Patriots in Foxborough, Mass., Sunday, Jan. 13, 2013. (AP Photo/Charles Krupa)