Jack Raphael Ham Jr. is an American former professional football player who was an outside linebacker for the Pittsburgh Steelers of the National Football League (NFL) from 1971 to 1982. He is considered one of the greatest outside linebackers in the history of the NFL. Ham was inducted into the Pro Football Hall of Fame in 1988 and the College Football Hall of Fame in 1990. In mid-2019 the newsletter of the PSU Alumni Association rated Ham first among the 100 greatest athletes, considering all sports and all previous football players, in University history.