A lightweight division attraction has been added to UFC 173 as Al Iaquinta is in action against Mitch Clarke. Iaquinta will enter the fight riding a three fight winning streak, with a notable victory over Ryan Couture at UFC 164. Clarke will be looking to build off the momentum of his first UFC win, which came over John Maguire at UFC 161. UFC 173 takes place on May 24th from the MGM Grand Garden Arena in Las Vegas, Nevada with Chris Weidman and Vitor Belfort headlining.