Brian Logan has the chops for it, and his playing experience gives him some insight.
But plenty of former players are bad on-air, and plenty of never-players are great.
I like Sports Nation. Jarom and Spencer come off as a little un-seasoned, but the do a good job. Not an "Xs and Os" show, sure, but they present things well.
After Further Review is interesting, but turns out an hour of guys re-creating plays on a small green rug is a bit too long