A pair of middleweights will be in action at UFC 183 as Thales Leites will be seeing action against Tim Boetsch. Leites has been undefeated thus far in his second UFC run, most notably defeating Francis Carmont at UFC Fight Night: Henderson vs. Dos Anjos. Boetsch has won two of his last three bouts under the UFC banner, last defeating Brad Tavares at UFC Fight Night: Bader vs. St. Preux. UFC 183 takes place on January 31st from a location TBA in Las Vegas, Nevada with Anderson Silva and Nick Diaz headlining.