Bruce Arians watched Todd Gurley's second-half NFL coming-out party and proclaimed him "a heck of a back." And a backbreaker for Arians' Arizona Cardinals. The St. Louis rookie rushed for all but two of his 146 yards after halftime and the Rams held on to hand the Cardinals their first loss of the season, 24-22 on Sunday. Read more http://espn.go.com/nfl/recap?gameId=400791718
