UFC 181 Notebook: Idle No More Lightweight champion Anthony Pettis does not foresee inactivity being an issue ahead of his showdown with Gilbert Melendez.

Interim Epidemic: A History of Heavyweight Placeholders No division has been more volatile in terms of championship gold than heavyweight, where five men have held the interim title.

RFA 21 GETS A NEW TITLE FIGHT JUUSOLA vs. BAGHDAD IN COSTA MESA, CALIFORNIA (PRESS RELEASE) -- LAS VEGAS, Nevada — Resurrection Fighting Alliance (RFA) president Ed Soares announced today that the promotion will feature a new main event as the promotion heads back to southern California in December. RFA 21 - Juusola vs. Baghdad will feature a main event between two of the world's most exciting lightweights as Minnesota native and collegiate wrestler...

Matches to Make After UFC 180 A blow powerful enough to bring down a rhinoceros took out Mark Hunt.

Smartest Guy at the Bar: UFC 180 Edition The Ultimate Fighting Championship finally touches down in Mexico, with Mark Hunt and Fabricio Werdum carrying the torch.

Tuesday MMA: A TV Viewer’s Guide Tuesday 6:00 a.m. ET Fox Sports 2: UFC Reloaded UFC 163: Aldo vs. Chan Sung Jung - UFC Champion Jose Aldo defends his title...

Saturday MMA: A TV Viewer’s Guide Saturday 11:30 a.m. ET Fox Sports 2: UFC Ultimate Knockouts Heavyweights - The greatest finishers from the heavyweight division...

RFA 21 IN COSTA MESA, CA DEC 5, TICKETS ON SALE NOW! (PRESS RELEASE) -- LAS VEGAS, Nevada - Resurrection Fighting Alliance (RFA) president Ed Soares announced today that the RFA's next lightweight champion will be crowned in his promotion's next trip to southern California in December. RFA 21 - Baghdad vs. Ambrose will feature a main event between two of the world's most exciting lightweights as WKBC Muay Thai world champion...

Cain Velasquez Injured; Mark Hunt, Fabricio Werdum to Vie for Interim Title at UFC 180 Cain Velasquez’s time on the shelf has been extended.

Sherdog’s Top 10: Successful Olympic Crossovers The Olympics served as a staging point for some of the most accomplished fighters in mixed martial arts history.