Pictures: WSOF 19 ‘Gaethje vs. Palomino’ Justin Gaethje and Luis Palomino put in an early bid for “Fight of the Year” in their World Series of Fighting lightweight title bout at WSOF 19.

Highlight Video: Watch Timur Valiev Crush Ed West at WSOF 19 Timur Valiev teed off on Ed West at World Series of Fighting 19.

Justin Gaethje Weathers Luis Palomino, Retains WSOF Lightweight Title in Slugfest Justin Gaethje successfully defends his lightweight crown with third-round TKO on Luis Palomino in World Series of Fighting 19 main event.

World Series of Fighting 19 Results: Play-by-Play & Updates Sherdog.com will have live World Series of Fighting 19 play-by-play at approximately 6:15 p.m. ET.

WSOF 19 Weigh-Ins Friday: Gaethje, Palomino, Silva, Hamill (PRESS RELEASE) -- In the world lightweight (155 pounds) championship main event, undefeated, reigning WSOF kingpin Justin Gaethje (13-0) of Safford,Ariz. will put his crown and perfect record on the line...

Fact Check: World Series of Fighting 19 The World Series of Fighting touches down in Phoenix on Saturday with an ample amount of obscure data and statistical minutiae in tow.

WSOF 20: Emmanuel Walo Faces "Phoenix Jones" Live on NBCSN (PRESS RELEASE) -- LAS VEGAS – A war hero versus a real-life superhero – both fast-rising stars in the sport of Mixed Martial Arts (MMA)....

WSOF 19: Gaethje vs. Palomino Card Complete With 12 Bouts (PRESS RELEASE) -- LAS VEGAS, The complete 12-bout lineup for the highly-anticipated World Series of Fighting (WSOF.com) Mixed Martial Arts (MMA) event at Comerica Theatre in Phoenix, Ariz. on Saturday, March 28 is complete with the addition of 7 new, live NBCSports.com-streamed preliminary bouts, including two lightweight (155 pounds) contests -...

World Series of Fighting Finalizes 12-Bout Card for WSOF 19 ‘Gaethje vs. Palomino’ The lineup has been set for WSOF 19 “Gaethje vs. Palomino,” as World Series of Fighting on Monday announced the event’s finalized 12-bout card.

This Month’s MMA Birthdays: Robbie Lawler Turns 33 Reigning Ultimate Fighting Championship welterweight titleholder Robbie Lawler will celebrate his 33rd birthday on March 20.