Andre Johnson's agent Kennard McGuire said Wednesday morning that he has asked the Houston Texans to release his client from his contract. On Monday, the Texans gave Johnson and McGuire permission to seek a trade after the veteran receiver had been told that his role would diminish. "He looks forward to challenging for a Super Bowl," McGuire said at the time. Read more http://espn.go.com/nfl/story/_/id/12419216/andre-johnson-asks-outright-release-houston-texans