Now that Conor McGregor has signed with the UFC and vacated his two titles, the featherweight one will be decided first.
Jim Alers vs. Joni Salovaara headlines Cage Warriors 53 with the winner leaving as the new featherweight champion.
Salovaara has won 10 of his last 11 and is riding three wins. He will be making his debut for the promotion.
Alers has five wins in a row, in which he ended all by round two, and that includes four out of Cage Warriors.
Also set is middleweight action as Mats Nilsson takes on Chris Scott.
Cage Warriors 53 comes from the Kelvin Hall in Scotland on April 13. The main card streams live at MMA Junkie.