FRISCO, Texas — Christian Parker is, at 34, not only the youngest defensive coordinator in Cowboys history, he’s roughly the same age as our oldest son. Doesn’t mean he can’t get the job done, but it could indicate I’ve been doing this too long.

Jon Machota of The Athletic sends two SEC defensive studs to Dallas in the outlet's new mock. How do they fit with DC Christian Parker's vision?

Five Cowboys starters could be out this offseason. Breaking down who’s replaceable, who isn’t, and what Dallas should do next in free agency.