Joseph Erwin Jacoby is an American former professional football player who was an offensive tackle for the Washington Redskins of the National Football League (NFL). He won three Super Bowls during his tenure with the team.

Super Bowl XVII was an American football game between the American Football Conference (AFC) champion Miami Dolphins and the National Football Conference (NFC) champion Washington Redskins to decide the National Football League (NFL) champion for the strike-shortened 1982 season. The Redskins defeated the Dolphins, 27–17, to win their first Super Bowl championship. The game was played on January 30, 1983, at the Rose Bowl in Pasadena, California.