A lightweight division affair has been added to UFC 173 as Jamie Varner will step into the octagon against James Krause. Varner will enter the fight riding a two fight losing streak, with those losses coming to Joe Lauzon and Abel Trujillo. Krause will be looking to rebound from his first UFC defeat, which came to Bobby Green at UFC Fights For The Troops III. UFC 173 takes place on May 24th from the MGM Grand Garden Arena in Las Vegas, Nevada with Chris Weidman and Vitor Belfort headlining.