I'm honestly not sure.
I know Gamble's a vet, and a pretty good one, but this is an entirely new defense. He needs to be in there with the rest of those guys learning it.
IIRC, when I was there Monday, Gamble was watching and with the DBs during drills. Hopefully, he has been there every day. If that is the case, he should be OK from an understanding point of view. Execution is a whole other monster though. Hopefully, he can get it done.