James Wilson Jeffcoat, Jr. (born April 1, 1961) is a former American football defensive lineman and current coach. A native of Matawan, New Jersey, Jeffcoat played college football at Arizona State University. A first-round pick in the 1983 NFL Draft, Jeffcoat was the 23rd overall selection and played for the Dallas Cowboys from 1983 to 1994 and the Buffalo Bills from 1995 to 1997.