Lonely at the Top Circumstances surrounding his first title defense, have WSOF heavyweight champion Smealinho Rama questioning his place in the company.

What to Watch For: World Series of Fighting 21 Featherweight champion Lance Palmer looks to defend his title against Chris Horodecki on Friday in Edmonton, Alberta.

Sherdog’s Top 10: Stick-and-Ball Crossovers Many athletes who have enjoyed success in traditional sports have found their way into mixed martial arts competition.

Pictures: WSOF 10 ‘Branch vs. Taylor’ David Branch, Rick Glenn and Jessica Aguilar all left Las Vegas with gold around their waists, pulling off victories atWorld Series of Fighting 10's championship tripleheader at the Hard Rock Hotel and Casino....

World Series of Fighting 10 Results: Play-by-Play & Updates Sherdog.com reports from Hard Rock Hotel and Casino in Las Vegas with live World Series of Fighting 10 results and play-by-play.

WSOF 10 Weigh-in Results: All Six Title Bout Participants Cleared World Series of Fighting 10 offers a trio of title contests, and all six fighters scheduled to compete in those bouts successfully made weight...

World Series of Fighting 10's championship triple-header lineup now complete with 12 bouts LAS VEGAS – The lineup for World Series of Fighting's most impressive card to date is now complete with 12 total contests supporting an...

Pictures: RFA 8 ‘Pettis vs. Pegg’ Sergio Pettis became the inaugural Resurrection Fighting Alliance flyweight champion at RFA 8 on June 21 in Milwaukee.

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...

Pictures: RFA 4 ‘Griffin vs. Escudero’ Tyson Griffin got a crucial win over fellow UFC vet Efrain Escudero while prospects Sergio Pettis and Steve Mocco earned victories at RFA 4 in...