John Wayne "Big John" Mangum Sr. (September 30, 1942 — April 29, 1994) was an American football defensive tackle in the American Football League (AFL).
Mangum started his collegiate career at Ole Miss before transferring to Southern Mississippi.
He was considered the anchor of the Golden Eagles' defensive line when the team led the nation in total defense in his junior and senior seasons.
[1] Mangum was selected in the fifth round of the 1966 American Football League draft by the Boston Patriots.
His grandson, Jake Mangum, played college baseball at Mississippi State and is the Southeastern Conference's career hit leader and is now a member of the Miami Marlins organization.