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IRVING, TX - NOVEMBER 17: Mike Singletary #50 of the Chicago Bears looks to make a play during the game against the Dallas Cowboys at Texas Stadium on November 17, 1985 in Irving, Texas. The Bears defeated the Cowboys 44-0. (Photo by Jonathan Daniel/Getty Images)

IRVING, TX - NOVEMBER 17:  Mike Singletary #50 of the Chicago Bears looks to make a play during the game against the Dallas Cowboys at Texas Stadium on November 17, 1985 in Irving, Texas. The Bears defeated the Cowboys 44-0. (Photo by Jonathan Daniel/Getty Images)