Last week, we offered up some Green Bay Packers trivia to make sure you were the most interesting (or obnoxious) guy in the room at your Super Bowl party. Today, we bring you a few facts you may not have known about the Steelers. Unless, of course, you're currently sporting a Franco Harris jersey while wearing a Terrible Towel like a lobster bib. In which case, you probably already knew this.
  • The Steelers were founded by Art Rooney in July of 1933. Originally, they were called the Pirates like the baseball team, which was a common practice at the time.
  • The team became the Steelers in 1940, but the name did undergo some minor changes for a brief time. During World War II, there was a serious player shortage, so the Steelers merged with the Philadelphia Eagles and became the "Steagles" for the 1943 season. The following year, they merged with the Chicago Cardinals and went by "Card-Pitt."
  • The familiar three diamond logo was added to the team's helmets in 1962. This unique insignia, technically known as a hypocycloid, is the trademark of the American Iron and Steel Institute.
  • This logo only appears on one side of the helmets. Why? Nobody knows. They are the only team in the NFL that does this.
  • Unlike most professional sports teams, the Steelers do not regularly retire player numbers. Only defensive tackle Ernie Stautner's # 70 has been officially retired, but the numbers of legendary Steelers like Joe Greene, Mel Blount and Terry Bradshaw have not been reused.
  • Cal Hubbard, an offensive tackle for the team during the late '20s and early '30s, is the only man to belong to both the Pro Football Hall of Fame and the Baseball Hall of Fame. Considered one of the great tackles of all time, he became a baseball umpire after his gridiron career ended and created the four-man umpire system.
  • A few famous faces have been associated with the Steelers, including former Supreme Court Justice Byron White and, believe it or not, "Married with Children's" Ed O'Neill. TV's Al Bundy was signed by the team in 1969, but was cut during training camp.
  • The team's famous "Terrible Towels" were created by the late Myron Cope. The voice of the Steelers, the sportscaster was tasked with coming up with a gimmick by his bosses to create interest in his broadcasts. Although he was against the idea at first, Cope's rally towels went on to be mimicked by countless other teams and have raised millions of dollars for charities.

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