San Francisco 49ers v Denver Broncos
DENVER, CO – AUGUST 26: Running back Rock Cartwright #28 of the San Francisco 49ers stiff-arms safety Rafael Bush #36 of the Denver Broncos en route to a 27-yard gain for a first down during the fourth quarter of a pre-season game at Sports Authority Field Field at Mile High on August 26, 2012 in Denver, Colorado. The 49ers defeated the Broncos, 29-24. (Photo by Justin Edmonds/Getty Images)