Sherdog’s Top 10: One and Dones Some attention-grabbing short-timers fought only once and then left the sport of mixed martial arts for good.

By the Numbers: UFC 181 Robbie Lawler is finally a Ultimate Fighting Championship champion. Some would say it’s been a long time coming.

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.

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...

By the Numbers: UFC 179 Jose Aldo quieted the critics at UFC 179, taking a five-round unanimous decision victory over Chad Mendes in what was one of the best fights of 2014.

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.