The Dallas Cowboys are getting younger as a football team. As has recently been noted, they only have three players on their roster that are over 30 years of age, and two of those are specialists in the kicking game (L.P. Ladouceur and Dan Bailey). That leaves only one regular on the roster who is on the other side of 30. That would be linebacker Sean Lee.
The old man on the roster used to be Jason Witten. The player known as the Senator or Gold Jacket Witt served two functions on the team.