Sherdog’s Top 10: MMA Upsets Mixed martial arts, like other sports, has enjoyed its share of David vs. Goliath moments over the years.

Unbeaten Prospects Sergio Pettis and Lance Palmer Stay Perfect, Earn Gold at RFA 8 Though an LCL injury thwarted Anthony Pettis' chance to bring home UFC featherweight gold this August, his 19-year-old brother Sergio saw to it that Roufusport added another piece of hardware to the trophy case Friday night in Milwaukee, knocking out...

ROLLES GRACIE INJURED; JACOB VOLKMANN VS. LYLE BEERBOHM ADDED TO LIVE NBC SPORTS NETWORK TELEVISED PORTION (PRESS RELEASE) -- LAS VEGAS, Nev. (June 5, 2013) – A wrist sprain has forced heavyweight rising star Rolles Gracie (8-1) out of his World Series of Fighting Mixed Martial Arts (MMA) matchup with Dave Huckaba (20-5). Replacing the bout on the four-fight, live NBC Sports...

10 June Tussles Worth Watching Perennial welterweight contender Jon Fitch makes his first appearance since being purged from the UFC roster.

Sherdog Prospect Watch: Jake Mapes Once a farmhand in the San Francisco Giants system, arm injuries forced Hawaiian to turn to Brazilian jiu-jitsu and MMA.

JEFF SMITH REPLACES INJURED CHRIS GRUETZEMACHER AGAINST JERROD SANDERS (PRESS RELEASE) -- LAS VEGAS, Nev. (May 29, 2013) – Streaking 25 year-old featherweight (145 pounds) rising star Jeff Smith (10-1) of Harrisburg, Pa. will replace injured Chris Gruetzemacher against...

Plan of Action Undefeated heavyweight Daniel Cormier has hinted at a possible move to 205 pounds. First, he must deal with Frank Mir at UFC on Fox 7.

‘The Ultimate Fighter 17’ Finale Preview World Extreme Cagefighting alums Urijah Faber, Scott Jorgensen set to square off in Las Vegas, with plenty on the line.

Sherdog’s Top 10: Might Have Beens Mixed martial arts has had its share of fighters, who, for various reasons, never reached the heights we hoped they would.

UFC on Fuel TV 8 Preview Brazilian icon Wanderlei Silva faces Brian Stann, as he returns to Japan for the first time since his Pride Fighting Championships heyday.