Jenkins joined the USC staff as a defensive line assistant coach in early October of 2013. The 72-year-old Jenkins has 41 years of coaching experience, including being on the staffs of 5 Southeastern Conference championship teams and an NAIA national championship squad. He has coached 17 All-SEC selections and more than 30 of his players made it to the NFL. His most recent coaching duty was handling the defensive line for the Philadelphia Eagles for 3 seasons (2007-09), helping the team advance to the 2008 NFC Championship Game and the 2009 NFC Wildcard Game. He was retired from 2002 to 2006 and again from 2010 until joining USC in 2013. He began coaching on the high school level, as an assistant at Warner Robins (Ga.) High in 1964 and Columbus (Ga.) Baker High in 1965 and 1966 and then as the head coach at Phenix City (Ala.) High in 1967. He then was the defensive coordinator at Troy State for 3 seasons (1968-70), including on the 1968 NAIA national champ squad. He was North Alabama's defensive coordinator in 1971 and 1972, then handled the defensive ends at South Carolina in 1973 and 1974 before becoming the defensive coordinator at Southern Miss for 3 seasons (1975-77). He then was the defensive line coach at Oklahoma State in 1978, Florida in 1979, LSU for 11 seasons (1980-90), Mississippi State for 5 years (1991-95), Auburn for 4 seasons (1996-99) and back at LSU for 2000 and 2001 before retiring for the first time. While at LSU, he also served as the defensive coordinator in 1982 and from 1987 to 1989 and as the assistant head coach from 1980 to 1984 and in 1990. He was part of LSU's SEC champions in 1984, 1986, 1988 and 2001 and Auburn's in 1997. He prepped at Hawkins High in Macon (Ga.), then played at Western Carolina, where he was a 1964 graduate. He was born on Aug. 27, 1941. He and his wife, Donna, have 2 children, Jennifer and Jeff.