David John Casper (born February 2, 1952), nicknamed "The Ghost." is a former American football player best known for being a prominent member of the Oakland Raiders. He was a tight end and also played as an offensive lineman. Casper has been elected to both the College Football and Pro Football Halls Of Fame.
Casper spent his first three years of high school at St. Edward Central Catholic High School in Elgin, Illinois, and his senior season was at Chilton High School in Chilton, Wisconsin, 35 miles south of Green Bay. He was a member of the 1969 Chilton team that outscored their opponents 363-0 in eight games. The small-town team was ranked eighth in the state behind the largest schools in the state; there was no playoff system at the time.
Casper played collegiate football at the University of Notre Dame, where he earned Honorable Mention All-America for the Fighting Irish as a tackle in 1972. In 1973 he was an All-American on the 1973 National Championship Team. He was the 1973 ND Offensive MVP as a tight end and recorded 21 receptions for 335 yards and four touchdowns in his career.