Jon Jones, MMA legend, has unexpectedly retired, leaving Tom Aspinall as the undisputed UFC heavyweight champion. UFC President Dana White made the announcement following Jones's phone call. Aspinall, the interim champion, confirmed his readiness to lead the division. Meanwhile, at UFC Fight Night in Azerbaijan, Khalil Rountree Jr. defeated Jamahal Hill in the main event, while Rafael Fiziev won the co-main event. Other notable fights included Curtis Blaydes's victory and Nazim Sadykhov's impressive TKO win.

Prepared by Emily Rhodes and reviewed by editorial team.