said he won't play as often in the next few years and hopes to compete in the 2016 Olympics in Rio de Janeiro.
The 31-year-old Federer said he would be more mindful about the tournaments he plays to make sure he can keep playing at a high level.
"I have to make sure that I take care of my schedule, of my body, of my mind," he said Thursday before an exhibition match with Brazilian Thomaz Bellucci.
GOLF: Australia's John Senden shot a 6-under 66 in calm morning conditions at The Lakes to take a 2-stroke lead in the Australian Open in Sydney. Englishman Justin Rose was second along with Australians Kim Felton, Brendan Jones, and Richard Green and New Zealand's Gareth Paddison.
South Africa's Charl Schwartzel shot a 7-under 65 and held a 1-stroke lead after the first round of the Thailand Golf Championship in Chon Buri. Winless since the 2011 Masters, Schwartzel had seven birdies in a bogey-free round at Amata Spring.
China's Shanshan Feng opened a 4-stroke lead in the Dubai Ladies Masters, shooting a 7-under 65 in the second round.
MIXED MARTIAL ARTS: Former Olympic judo bronze medalist and rising mixed-martial arts star Ronda Rousey will fight in the main event at UFC 157 on Feb. 23 in Anaheim, Calif., where she will face Liz Carmouche in the first women's fight in UFC history.
UFC president Dana White announced the fight Thursday at the conclusion of the preview for UFC's fight card on Saturday night in Seattle.
SOCCER: About 45 countries were given hope of hosting the 2020 European Championship as UEFA pledged the tournament would be played across the continent.
The revolution in hosting strategy would create a "Euro for Europe," suggested UEFA general secretary Gianni Infantino - and fulfill the wish of its president Michel Platini, who floated the idea in June.
Platini's vision is to ease the cost burden on hosts and fans, and give smaller countries an opportunity to be in the global football spotlight.
WNBA: The Minnesota Lynx have signed coach and La Salle grad Cheryl Reeve to a multiyear contract extension. The Lynx didn't provide terms of the deal announced Thursday.
Reeve's third season in charge ended with a loss in the WNBA Finals to the Indiana Fever. The Lynx beat the Atlanta Dream to win the championship the year before.