On third down with less than 30 seconds left , Staubach attempted to hit Percy Howard for a score .
The ball was tipped and landed in the hands of Steelers defender Glen Edwards , sealing the victory for Pittsburgh .
On third down with less than 30 seconds left , Staubach attempted to hit Percy Howard for a score , but the ball was tipped and landed in the hands of Steelers defender Glen Edwards , sealing the victory for Pittsburgh .