UFC 153 fighters Stephan Bonnar and Dave Herman each tested positive for banned substances in their post-fight drug screens.
MMAjunkie.com today confirmed with Ultimate Fighting
The UFC 153 drug tests have been returned and two different fighters tested positive for banned substances including main event fighter Stephan Bonnar.
After competing for nearly 11 years as a professional mixed martial artist, Stephan Bonnar is calling it quits.
"The American Psycho" has officially retired from MMA.
Stephan Bonnar, a fan favorite since his runner-up finish on the inaugural season of "The Ultimate Fighter," has called it quits a...
Sean Sherk talks about recent injuries that have kept him out of fighting for the last two years, but he's committed to returning to the UFC and not ready to call it a career.
Check out the video highlights of Anderson Silva's masterful UFC 153 performance en route to dropping Stephan Bonnar to the canvas.
Despite the persistent "Rocky" storylines heading into Saturday's UFC 153 event, the night's headliner played out like so many folks predicted: UFC middleweight Anderson Silva shut down heav...
Anderson Silva toyed with and then destroyed Stephan Bonnar to cap off his 16th win inside the UFC Octagon, while growing his legacy once again.
RIO DE JANEIRO - Neither size nor toughness could save Stephan Bonnar from Anderson Silva.
Silva, who stepped up to light heavyweight to save the injury-rattled UFC 153, brazenly took B...
Anderson Silva adds to his legend with each unforgettable performance.