The Hulk Roger Hollett (Pictures) is undefeated, sporting a record of 6-0. More impressively, he has yet to see the second round in his career. This Friday, Hollett faces his stiffest test to date when he takes on UFC veteran The Matrix Victor Valimaki

Brazilian jiu-jitsu black belt Thales Leites (Pictures) returns to the UFC Saturday against Ryan Jensen (Pictures). Fighting on short notice, Leites took Travis Lutter (Pictures)’s place on the card after the Ultimate Fighter veteran sustained an injury in training