 The Browns in turn lost in the NFL championship game to the Baltimore Colts and Minnesota Vikings in the 1968 and 1969 seasons respectively.The 1968 Colts and 1969 Vikings subsequently lost Super Bowl III and Super Bowl IV to the New York Jets and Kansas City Chiefs, respectively.Repeated failures to achieve their ultimate goal earned the Cowboys the nickname "Next Year's Champions" and a reputation for not being able to "win the big one."