Aug 26, 2012; August 26 2012; Denver, CO, USA; San Francisco 49ers defensive back Perrish Cox (20) and linebacker Larry Grant (54) combine for a tackle on Denver Broncos wide receiver Eric Decker (87) during the second quarter of a preseason game at Sports Authority Field. Mandatory Credit: Ron Chenoy-Imagn Images; Mandatory Credit: Ron Chenoy-Imagn Images