I like it man! The second guys fall seems a bit unnatural though. I'd have to look at reference to be sure but it seems like he would either hesitate a bit more or fall the other direction. I don't know thats the trouble with animation haha. Looks cool though man.
Out of curiosity, where did you get that rig? It looks almost identical to one of our rigs from Animation Mentor. They got into a couple of battles with other schools/training sites that were copying their rigs.
I like how it has shoulders though, ours don't