Opinion: The Actual Biggest Upset in MMA History Most folks point to Matt Serra knocking out Georges St. Pierre as MMA's biggest upset ever. Not so fast, writes Lev Pisarsky.

By the Numbers: Matt Serra The East Meadow, New York, native secured his place in mixed martial arts history at UFC 69 on April 7, 2007, when he authored perhaps the greatest upset of all-time and dethroned...

This Day in MMA History: June 22 Chuck Liddell defeated Vitor Belfort, but Robbie Lawler won the real prize, in one of the UFC’s strangest events, 18 years ago today.

Sherdog Redraft: 'The Ultimate Fighter' Season 4 With 20/20 hindsight, Sherdog’s Ben Duffy drafts the 16 fighters from the fourth season of “The Ultimate Fighter,” based on their...

Ex-MMA Fighter Cedric Marks Charged with Murder of Minnesota Woman in 2009 Veteran mixed martial artist Cedric Marks is one of two people charge in the death of a women in Minnesota 11 years ago, according to a report from the...

This Month’s MMA Birthdays: Tito Ortiz Turns 45 He remains one of only 12 men who have captured the undisputed Ultimate Fighting Championship light heavyweight title, and his 1,260-day reign...

By the Numbers: Colby Covington vs. Robbie Lawler The much-awaited title fight between Colby Covington and Kamaru Usman would have to take a backseat as the Ultimate Fighting Championship decided “Chaos” should face...

Georges St. Pierre: A Sherdog Retrospective In the wake of Georges St. Pierre's recently-announced retirement, Sherdog remembers the incomparable career of one of the greatest and most...

By the Numbers: Robbie Lawler A torn ACL forced Robbie Lawler out of action for the entirety of 2018, but “Ruthless” is back in action and ready to welcome former One Championship and Bellator MMA welterweight champion...

Report: 59-Fight MMA Veteran with Pending Murder Charges Escapes from Prison Transport Cedric Marks, a veteran of 59 professional mixed martial arts bouts, escaped from a “private prisoner transport” in Conroe, Texas, on Sunday, according to a report from Houston-based station...