What to Watch For: World Series of Fighting 15 Justin Gaethje will put his perfect record and lightweight title on the line against Melvin Guillard on Saturday in Tampa, Fla.

WSOF 15: "Macaco" Patino vs. Eric Reynolds Added To Live NBCSN Telecast (PRESS RELEASE) -- LAS VEGAS — A lightweight (155 pounds) contest between legendary MMA pioneer and Brazilian Jiu-Jitsu and Judo black belt Jorge Patino (35-15-2) of Houston, Texas and battle-tested finisher...

10 October Tussles Worth Watching Unbeaten Russian Marat Gafurov and Rob Lisita jockey for position in One Fighting Championship’s deepening featherweight division.

Pictures: WSOF 8 ‘Gaethje vs. Patishnock’ Justin Gaethje, Anthony Johnson and Jessica Aguilar scored impressive victories at World Series of Fighting 8.

Justin Gaethje Stops Richard Patishnock in 69 Seconds, Takes Lightweight Gold at WSOF 8 Grudge Training Center prospect Justin Gaethje went after what he wanted, and Richard Patishnock made the mistake of getting in his way.

World Series of Fighting 8 Results: Play-by-Play & Updates Sherdog.com reports from the Seminole Hard Rock Hotel and Casino in Hollywood, Fla., with live World Series of Fighting 8 results and play-by-play.

WSOF 8 Weigh-in Results: Justin Gaethje, Richard Patishnock Cleared for Title Headliner Justin Gaethje will get to make his first pass at a major mixed martial arts championship in just his 11th professional appearance, as opponent ...

Luis Palomino and Jorge "Macaco" Patino kick off main card at WSOF 8 (PRESS RELEASE) -- LAS VEGAS - Justin Gaethje (10-0) will face one of MMA's top prospects in Richard Patishnock (6-1) for the World Series of...

10 May Tussles Worth Watching Having uncovered a fountain of youth at age 35, Masakatsu Ueda carries a two-fight winning streak into his third One FC appearance.

Sherdog’s Top 10: Black Mixed Martial Artists The sport would not be what it is today without the contributions of fighters like Anderson Silva, Jon Jones and others.