Ronald Shawn Hillman, Jr. (born September 14, 1991) is an American football running back with the Denver Broncos of the National Football League (NFL). He was formerly the starting running back for the San Diego State Aztecs. He ranked fourth among all players in the NCAA Football Bowl Subdivision with an average of 134.36 rushing yards per game. He was drafted in the 3rd round of the 2012 NFL Draft, 67th overall, by the Denver Broncos.