I can see how people call him "Jared Allen light" - he has a similar look and was really relaxed in his interview. That was one of the best rookie camp interviews i've seen...
1: He genuinely loves it here
2: Completely aware of his strengths and weaknesses
3: Has the exact right mixture of confidence, underlying intensity, and focus
All of the rookie interviews i've seen so far have been impressive, you can tell John and his team really did try to get to these guys' essence. If they got it right then we will have a stronger locker room than ever, just leaders everywhere.
As for Marsh, with this interview and the reports he's been getting already - he's gon'be gooood.