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Ntiaj teb Series ntawm sib ntaus (WSOF.com) color commentator Chael Sonnen and World Series of Fighting President Ray Sefo discuss the highly-anticipated “WSOF 23: Gaethje vs. Palomino II” world championship doubleheader event that takes place tonight, Hnub vas Xuv, Sept. 18, at Comerica Theatre in Phoenix, Ariz., live on NBCSN, pib thaum uas muaj 10 p.m. ET/7 p.m. PT.

In the main event of the five-bout NBCSN telecast, undefeated, reigning World Series of Fighting Lightweight (155 pounds) Champion Justin “The Highlight” Gaethje (14-0) will collide for the second time with hard-hitting rival Luis “Baboon” Palomino (23-10), after the two engaged in an all-out war, which has already been touted as a “Fight of the Year” candidate, in the main event of WSOF 19 at Comerica Theatre.

In the co-main event and inaugural World Series of Fighting light heavyweight (205 pounds) championship bout, David Branch (16-3), the promotion’s reigning world middleweight (185 pounds) champion, will attempt to become the first two-division kingpin in World Series of Fighting history, when he faces off with Cinderella story Teddy Holder (9-1), whose nine career wins have all come by way (T)KO or submission.

A preliminary card featuring seven bouts will stream live on an embeddable video player on WSOF.com, beginning 6:45 p.m. ET/3:45 p.m. PT.