Unfortunately, the title "Blood Circus" was wasted on a generic "underground MMA fight to the death" movie. Really, if you're going to call your underground MMA fighting to the death movie "Blood Circus", then you should incorporate some circus-themed activities: Juggalos fighting each other, MMA fighters dressed like clowns while fighting, MMA fighters dressed like clowns while fighting on a high wire, etc.
Sadly, the filmmakers didn't share my artistic vision. The "circus" aspect never come into play. The "Blood Circus" is just a guy who I never believed for a second was a "former MMA champ" fighting an assortment of bums until he has to face off with "Santos", the mysterious "ringleader" behind it all. (Actually, I'm only halfway through the movie, so I'm just assuming he'll fight Santos. If he doesn't, I'll sure look stupid.)
A very sad looking Tom Sizemore turns in a bizarre, lazy performance as a detective who, for some reason, talks as fast as possible. I guess the best way to describe his performance would be "imagine someone doing a really bad impression of Brad Pitt in Snatch, minus the accent."
I try to say something positive about every movie I watch, so I'll say this: Robert LaSardo turns In a good performance as Santos's henchman. Oh, and all the actress are pretty cute, so there's that.