Silva, one of the division’s brightest young stars, was last in the octagon at UFC 153 in Brazil against top-ranked welterweight Jon Fitch. Silva lost the bout by unanimous decision, but the match-up proved to be one of more exciting of the card, earning “Fight of the Night” honors as a result.
Hieron is making his second run in the UFC with a career spanning close to 10 years. He was last seen dropping a unanimous decision to Jake Ellenberger at UFC on FX: Browne vs. Bigfoot in October, and is 1-2 in his last three fights. Hieron’s recent skid comes after winning 11 consecutive fights from 2007 to 2011.
UFC 156 takes place on Feb. 2 in Las Vegas at the Mandalay Bay Events Center.