#9 War Machine
One of MMA’s most notorious criminals, Jon Koppenhaver aka War Machine, was no stranger to breaking the law with multiple public brawls, assaulting civilians.
Furthermore, Jon assaulted his former girlfriend, pornographic actress Christy Mack, as well as her acquaintance Corey Thomas in August of 2014. The MMA veteran was convicted earlier this year, sentenced to life in prison with the possibility of parole after 36 years.