The UFC is home to some of the craziest and most unpredictable fighters on the planet. Some of the most notable include Nick Diaz, Conor McGregor and Anderson Silva – all of whom have been responsible for some of the most exciting fights in UFC history. Each of these fighters bring their own unique style of fighting to the octagon, ranging from McGregor’s unorthodox stand-up striking to Diaz’s relentless pressure and Silva’s smooth submission work. If you’re looking for pure, unpredictable action, these UFC craziest fighters are the way to go!