Ralph Harry Friedgen (born April 4, 1947) is a former American football coach. He was most recently the special assistant coach for Rutgers in 2015 after serving as their offensive coordinator in the 2014 season. He was the head coach at the University of Maryland, College Park from 2000 to 2010. After the 2010 regular season, it was announced that Friedgen would not be returning for the 2011 season, ending his ten-year run as head coach. Friedgen was previously an offensive coordinator at Maryland, Georgia Tech, and in the National Football League (NFL) with the San Diego Chargers.