UFC's Stephan Bonnar: 'I F**ked up'

UFC Light Heavyweight Stephan Bonnar failed a post-fight drug test for steroids following his UFC 153 loss to Anderson Silva. Today he spoke to Ariel Helwani on the MMA Hour and explained how it happened.

Dana White doesn't want to talk to Stephan Bonnar

In the wake of his failed drug test at UFC 153, Stephan Bonnar's relationship with Dana White is on the rocks.

Video: UFC stars respond to Stephan Bonnar, Dave Herman test results

UFC fighters Travis Browne, Rampage Jackson, as well as manager Ed Soares and Bellator fighter Eddie Alvarez respond to the news that Stephan Bonnar and Dave Herman failed drug tests following UFC 153.

UFC statement: Bonnar, Herman admit to taking banned substances

Stephan Bonnar and Dave Herman fail UFC 153 drug tests

All UFC 153 fighters were drug tested by the UFC and Stephan Bonnar and Dave Herman both failed their tests, Bonnar due to an anabolic steroid and Herman due to marijuana.