William Powell Pictures

  • GLENDALE, AZ - AUGUST 17: Running back William Powell #33 of the Arizona Cardinals leaps over defensive back Chimdi Chekwa #35 of the Oakland Raiders as he rushes the football during the second half of the NFL preseason game at the University of Phoenix Stadium on August 17, 2012 in Glendale, Arizona. (Photo by Christian Petersen/Getty Images)