Sherman Eugene Plunkett (April 17, 1933 in Oklahoma City, Oklahoma – November 18, 1989) was an American football offensive tackle who played in the National Football League from (1958–1960) and in the American Football League from (1961–1967), for the San Diego Chargers and the New York Jets. He was an American Football League All-Star in 1964 and 1966. In his later playing years, he was most notable for his massive size. While the typical lineman in the 1960s weighed in at around 250-260 lb, Plunkett was almost 100 lb (45 kg). heavier.
He played college football at Maryland State College (now the University of Maryland Eastern Shore).
According to Joe Namath, it was Plunkett who coined the star New York Jets quarterback's nickname Broadway Joe, following Namath's appearance on the cover of Sports Illustrated magazine.