Sonnen enters his UFC 159 clash against Jones as one of the largest underdogs in the promotion's history.
Kotetsu Boku will defend his One Fighting Championship lightweight title for the first time when he faces Shinya Aoki in the main event of One FC 8.
The Bellator 93 heavyweight feature fight between Brett Rogers and Eric Prindle has been scrapped.
A pair of “Ultimate Fighter” Season 17 alums will clash at UFC on Fuel TV 9, as Tor Troeng does battle with fellow middleweight Adam Cella at the April 6 event.
It didn't take long for Soa Palelei to get his first work in his UFC return. Palelei, an Australian heavyweight, will meet Stipe Miocic at UFC 161 this June in Winnipeg, Manitoba, Canada.
Jan Blachowicz will next defend his KSW light heavyweight title on March 16, when the Polish standout meets UFC veteran Goran Reljic in the main event of KSW 22.
Bellator’s Season 8 middleweight tournament will begin on Feb. 14, as promotion officials announced Thursday that the 185-pound quarterfinals will be contested at Bellator 89.
Ben Askren’s third Bellator welterweight title defense will move forward on schedule.
Lightweight Caros Fodor is the latest Strikeforce fighter to make the move to the UFC.