From 1940 to 1947, quarterback Sid Luckman led the Bears to victories in four out of the five NFL Championship Games in which they appeared. The team acquired the University of Chicago's discarded nickname "Monsters of the Midway" and their now-famous helmet wishbone "C", as well as a newly penned theme song that declared them "The Pride and Joy of Illinois". One famous victory during that period was their 73–0 victory over the favored Washington Redskins at Griffith Stadium in the 1940 NFL Championship Game; the score is still an NFL record for lopsided results. The secret behind the one-sided outcome was the introduction of a new offensive formation by Halas. The T-formation, as Halas named it, involved two running backs instead of the traditional one in the backfield. Luckman established himself as one of the franchise's most elite quarterbacks. Between 1939 and 1950, he set the Bears' passing records for most career touchdowns, yards, and completions. Many of Luckman's records stood for decades before they were eclipsed by Jay Cutler in .