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...

Sherdog Redraft: 'The Ultimate Fighter' Season 6 With 20/20 hindsight, Sherdog’s Ben Duffy drafts the 16 fighters from the sixth season of “The Ultimate Fighter,” based on their...

This Day in MMA History: June 26 The impossible happened before our eyes, as Fabricio Werdum toppled Fedor Emelianenko to put an end to the greatest streak in the sport’s...

This Day in MMA History: June 19 Frank Mir logged one of MMA’s all-time nastiest finishes, snapping Tim Sylvia’s arm at UFC 48, 16 years ago.

Matt Hughes Details Recovery Process on Three-Year Anniversary of Train Accident Three years ago, former UFC welterweight champion Matt Hughes was hospitalized after a truck he was driving collided with a moving train in...

Rivalries: Colby Covington No one in Ultimate Fighting Championship history has inspired widespread vitriol any better than the welterweight contender, a man who pokes and...

Fight Facts: UFC 250 The Ultimate Fighting Championship on Saturday put on quite a show at the UFC Apex in Las Vegas.

Sherdog Redraft: 'The Ultimate Fighter' Season 2 With 20/20 hindsight, Sherdog’s Ben Duffy re-drafts the 16 fighters from the second season of “The Ultimate Fighter,” based on their...

This Day in MMA History: June 7 An overweight Thiago Alves blew away Matt Hughes in London at UFC 85, 12 years ago today.