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 Month’s MMA Birthdays: Andre Fili Turns 30 The Team Alpha Male mainstay has become a staple of the Ultimate Fighting Championship’s featherweight division.

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.

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...

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...

Aljamain Sterling Won’t Bypass Jose Aldo for Title Shot, But He’ll Be Ready to Fill In In a mixed martial arts world based on merit alone, Aljamain Sterling would already be one-half of the next UFC bantamweight championship bout.

This Day in MMA History: June 4 Michael Bisping shocked the world by knocking out Luke Rockhold to win the UFC middleweight title, four years ago at UFC 199.