Rappler's latest stories on therapeutic-use exemption
Doping claims overshadow Mayweather 'finale'
Floyd Mayweather steps into the ring Saturday for what he says will be the last time amid accusations he violated anti doping rules
Pacquiao feels 'vindicated' by Mayweather IV controversy
“Truth finally came out and I was vindicated ” says Manny Pacquiao after reports that Floyd Mayweather had taken a banned intravenous injection before their May fight
Injections could’ve numbed Pacquiao to Mayweather’s punches – commission
If the Pacquiao camp had informed them about the shoulder injury before the fight a win win for both parties could have been negotiated says Nevada Athletic Commission executive director Bob Bennett
UFC fighter Chael Sonnen retires after drug test flub
Chael Sonnen announces his retirement from mixed martial arts days after it was announced he tested positive for the banned substances Anastrozole and Clomiphene
Weidman-Machida title tilt rescheduled for UFC 175
Another major blow has hit the UFC 173 pay per view on May 24 as a knee injury forced middleweight champion Chris Weidman to withdraw from his championship clash against Lyoto Machida
