A pair of unbeaten middleweights will square off this May at UFC Fight Night: Munoz vs. Mousasi, as Luke Barnatt takes on Sean Strickland.

Officials announced the fight for the May 31 card from Berlin. The main event features 185-pounders Mark Munoz and Gegard Mousasi.

Barnatt (8-0) has won each of his three Octagon bouts, including two straight finishes over Mats Nilsson and Andrew Craig.

Strickland (14-0) is coming off a submission victory over Bubba McDaniel in his UFC debut earlier this month. He owns 11 stoppage wins in 14 career fights.

Below is a list of fights announced to date. The entire card is scheduled to air on UFC Fight Pass.

Middleweight: Mark Munoz vs. Gegard Mousasi

Middleweight: Luke Barnatt vs. Sean Strickland

Lightweight: Drew Dober vs. Nick Hein

Welterweight: Pawel Pawlak vs. Peter Sobotta