Jackson saw what was happening and was in "fairly" decent position - I think most CB's would be in this spot when they're getting blocked by a LT 15 yards downfield though!
Instead of him waiting there with the tackle between him and the ballcarrier, I would like to see him get on the other side as soon as he saw what was going on and then get ready for a nice form tackle.
First thing first.
Pretty much the whole team bought the run fake to the other side.
Auburn had blockers to seal off the backside on every level.
The RDE and the ROLB both had it bad; they were fooled and they were sealed off to make the matter worse.
Your containment started right there.
Next comes the safety; he also bought the fake badly.
And when he came back, he was cut down by the WR that KJ had avoided.
But that's not all. He got up and got in the way of the LB who finally came back and was knocked down terribly again.
This slow the LB down (I think it was McClain) and there goes the closest pursuit.
KJ put on a fake move to the outside of the LT then swirled past him to the inside. The runner cut to the outside. KJ actually did a zigzag thingy in that scenario (which means flex hips and good footwork); if not for that hold from the LT, IMHO, he would have made the tackle.
But at any rate, he still did enough to slow down the guy for the cavalry to arrive.
Too bad the LB and the safety got tangled up as I had described.
Arenas and another defender (either the other safety or another LB) did arrive but both overran the play as the runner cut back inside.
IMO, KJ gave a lot of guys enough time to get there, but none did anything to rectify their errors to begin with.
And as the other 2 examples showed, this time Zachery had the whole open field. Even if we marked this as "bad tape" for KJ, it could also be marked as a good run by Zachery who had shown that he can do it, even in traffic.