Former UFC light heavyweight champion Jiri Prochazka will face off with Navajo Stirling in the main event of UFC’s upcoming card in Doha, Qatar, on Nov. 21, the promotion announced Tuesday.

Ex-bantamweight titleholder Aljamain Sterling is set to take on rising featherweight prospect Kevin Vallejos as well.

Prochazka (32-6-1) will attempt to rebound from a title fight loss to Carlos Ulberg in April, when he had his opponent injured but still got knocked out in the first round. Prochazka remains undefeated in non-title bouts since joining the promotion in 2020, losing only in championship fights versus Ulbert and twice to Alex Pereira.

Stirling (1