Does The NFL Have A Growing "Low-Hit Culture?"Barry Petchesky8/21/13 2:58pm37EditPromoteGo to permalinkOn Saturday, Houston safety D.J. Swearinger dove at the knees of Dolphins tight end Dustin Keller. Keller tore his ACL, MCL, PCL, and dislocated his patella. Swearinger says that's better than targeting someone's head.