Sherdog’s Top 10: Conor McGregor’s Greatest Hits The reigning Ultimate Fighting Championship lightweight titleholder makes his pro boxing debut against Floyd Mayweather Jr. on Saturday in Las Vegas.

World Series of Fighting Signs 14-Fight UFC Veteran John ‘Doomsday’ Howard World Series of Fighting has added another familiar face to its roster: John “Doomsday” Howard.

What to Watch For: World Series of Fighting 16 Jon Fitch will take aim at the WSOF welterweight title on Saturday, when he tangles with Rousimar Palhares in Sacramento, Calif.

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.

Jesse Taylor, Joe Ray Added to BattleGrounds MMA Welterweight Tournament on Oct. 3 Jesse Taylor and Joe Ray have joined BattleGrounds MMA’s one-night, eight-man welterweight tournament on Oct. 3.

WWE's Jim Ross & Chael Sonnen To Call BattleGrounds MMA Action TULSA, OK – Two consummate performers in WWE Hall of Famer Jim Ross and recently retired UFC superstar Chael Sonnen have teamed up to form...

Ex-WWE Personality Jim Ross, Chael Sonnen Team to Call Battlegrounds MMA PPV Jim Ross, better known by most professional wrestling fans as “Good Ol’ J.R.,” will partner with former Ultimate Fighting Championship star Chael Sonnen to commentate the upcoming...

BattleGrounds MMA 'O.N.E.' To Air LIVE on PPV on New Date - Friday, Oct. 3 (PRESS RELEASE) -- TULSA, OK – The public has spoken and BattleGrounds MMA (www.battlegroundsone.com) has listened. Due to popular demand, the promotion led by Olympic wrestling gold medalist...

Battlegrounds MMA’s One-Night Tourney Moved to Oct. 3, Airs Live on PPV Battlegrounds MMA’s one-night welterweight tournament has been moved from June 27 to Oct. 3 and will now air via pay-per-view, the promotion...

FEROCIOUS FINISHER TREY HOUSTON REPLACES INJURED JOSH BRYANT IN BATTLEGROUNDS MMA: O.N.E. TOURNAMENT FRIDAY, JUNE 27 IN TULSA, OKLA. (PRESS RELEASE) -- TULSA, OK – BattleGrounds MMA (www.battlegroundsone.com) announced today that hard-hitting finisher Trey Houston (11-2) of Bixby, Okla. will replace an injured...