His most famous play occurred near the end of the 1966 NFL Championship Game, with the team trailing the Green Bay Packers by a touchdown, the Cowboys had a first down on the Packers' 2-yard line, when Boeke was flagged for a false start, Dallas failed to score after Don Meredith threw an interception on fourth down. The Packers went on to beat the Kansas City Chiefs in the inaugural AFL-NFL championship game, now called the first Super Bowl.