It's no question Clay Matthews works out a lot. Just look at the dude.
How he gets there is plenty of time spent in the gym, but I was wondering what kind of workout style he selects once he's in there lifting weights and working on cardio. Up above he's got a classic Nike black T, and just cut out of the picture are a pair of black gloves. The hair is pulled back in a simply pony (?) and he looks ready to sweat. Here's a few more pictures of Clay Matthews' workout style: