Not just anyone can hang with the best of the best.

Ever think to yourself, those guys in the UFC are tough, but I bet I could go a few rounds with them? Well, believe it or not there are regular Joes out there who are willing to put themselves to the test and actually go up against talented UFC fighters in sparring sessions.

Some are tough guys looking for some gym glory, others are simply interested in seeing where they measure up, and others still are just simply in over their heads. Well, sadly for all of them, finding that you’re in too deep is always learned the hard way when you’re on the practice floor. Here are a few instances when training with UFC fighters went horrible wrong.

Do you think you could spar a UFC level fighter?