For those of you old enough to remember, the George Allen Redskins he stifled the Packers running game in the playoffs by putting five D-lineman on the front instead of only four. It worked beautifully because Packer QB Scott Hunter was not a dynamic passing threat. I'm not suggesting the same type of defense by the Packers. Only the point that Capers may need to pull something particularly clever or unusual out of his hat to effectively stifle Ezekiel and the Cowboys.
It would also help greatly if the Packers offense built-up enough of an early lead to force the Cowboys offense into playing keep-up, catch-up. This is entirely new territory for Dak - intense and heavy pressure that they just cannot have experienced during the regular season of a rookie season, no less. Having never carried a team on his shoulders in the playoffs can he do it or will the pressure get to him? This where a veteran presence might be even better. Romo is tanned, rested and ready (i.e., not injured) just in case he's needed. Nice back-up option for them to have.