I was watching JRE with Dana last night and Rogan was talking about how it used to be commonplace for MMA fighters to get in 'gym wars' with one another back in the day.
I have often heard this to be the case, but I don't know many actual examples of this happening.
The ones I've heard of (and most of you probably have as well) is that Wanderlei knocked out Shogun over a pet, and that Hector Lombard's trainers had a hard time finding him sparring partners because he'd beat the shit out of all of them.
Post any gym stories you have here.