SYDNEY (Reuters) - Australian Olympic champion rower Kim Brennan has spoken of her deep disappointment that her integrity as a clean athlete has been called into question over a shot of adrenaline administered in a medical emergency.

MOSCOW (Reuters) - Russian President Vladimir Putin said on Friday World Anti-Doping Agency (WADA) records leaked by hackers raised a lot of questions with healthy athletes seemingly taking banned substances, TASS news agency reported.

TORONTO (Reuters) - Boxing movies are making a comeback lately, although they are often more about the struggles of fighters outside the ring than the punches they land on their opponents.

LONDON (Reuters) - Former champion Wladimir Klitschko said he is obsessed with regaining his world heavyweight crown and he would wait for as long as it takes for his re-match with Britain's Tyson Fury.

LONDON (Reuters) - Middleweight marauder Gennady Golovkin retained his WBC and IBF titles when challenger Kell Brook was pulled out by his corner five rounds into a compelling fight on Saturday.

LOS ANGELES (Reuters) - Manny Pacquiao will be one month shy of his 38th birthday when he challenges World Boxing Organization welterweight champion Jessie Vargas in November, a mature boxing age that gives his trainer cause for concern.

BEVERLY HILLS, California (Reuters) - While Manny Pacquiao's political career became a priority after he announced his "retirement" from the ring in April, he says the lure of continuing his journey in boxing ultimately led to his comeback.

LONDON (Reuters) - Kell Brook admits to feeling fear but says he is ready to inflict a first career defeat on Kazakh knockout specialist Gennady Golovkin when they meet in a London ring on Saturday.

LONDON (Reuters) - Tyson Fury's world heavyweight title rematch with Wladimir Klitschko will take place in Manchester on Oct. 29, the British fighter's camp confirmed on Wednesday.