Clifford "C. J." Spiller Jr. (born August 5, 1987) is an American football coach and former running back who is currently the running backs coach at Clemson University. He previously served as a graduate intern at Clemson in 2020. Spiller played college football at Clemson and was recognized as a unanimous All-American. Spiller was drafted by the Buffalo Bills with the ninth overall pick in the 2010 NFL Draft and played in the NFL for 9 seasons with the Bills, New Orleans Saints, Seattle Seahawks, New York Jets and Kansas City Chiefs.