Your Top Plays for Today: AP's Sports Guide
--DEFENDING CHAMPION AZARENKA ELIMINATED FROM AUSTRALIAN OPEN
Defending champion Victoria Azarenka is knocked out of the Australian Open at the quarterfinal stage, beaten in three sets by Agnieszka Radwanska, who will face Dominika Cibulkova in the semis.
--GROWING DOUBTS ABOUT CURITIBA STADIUM AS WORLD CUP APPROACHES
FIFA's secretary general Jerome Valcke admits that Curitiba's World Cup stadium may not be ready in time, raising prospect of late change to schedule.
--UNSTOPPABLE DURANT LEADS THUNDER PAST BLAZERS
Kevin Durant's scoring surge continues, with his 46 points leading Oklahoma City past Portland in a clash of divisional rivals, taking his personal tally past 250 points over eight games.
--KOBAYASHI RETURNS TO F1 IN PAY-FREE DEAL AT CATERHAM
Japan's Kamui Kobayashi returns to F1 after signing with Caterham, and says he will be driving for free.
--IOC CHIEF GIVES BRAZIL HIS 'FULL CONFIDENCE' AFTER DOUBTS ABOUT RIO 2016 PREPARATIONS
IOC chief Thomas Bach has met with the Brazilian presidents and says he has full confidence the Rio de Janeiro will be ready to host the 2016 Olympics despite doubts over preparations.