The Colts are the toast of the football world, but the magnitude of their victory can be traced back to the franchise's most famous defeat. When the heavily favored (in some books, by more than 20 points) NFL champion Baltimore Colts met the upstart AFL champion New York Jets on Jan. 12, 1969, few could have predicted the outcome, or impact, of the game.
ESPN.com - NFL - What if the Jets had not defeated the Colts in Super Bowl III?