Manchester City's leading scorer Sergio Aguero is likely to be sidelined for around a month due to a hamstring injury, manager Manuel Pellegrini revealed on Friday.

The Argentina international, who recently missed eight matches with a calf problem, was forced off in the first half of City's 5-1 victory at Tottenham Hotspur in the Premier League on Wednesday.

Ferrari's Fernando Alonso gave the home fans something to cheer about on Friday as he was fastest on the fourth and final morning of pre-season testing in Jerez, southern Spain.

In wet conditions following heavy overnight rain, the Spaniard posted a best time of 1min 35.334secs from 55 laps.

Canada's Frank Dancevic beat Japan's Go Soeda 6-4, 7-6 (2), 6-1 on Friday to leave the teams at 1-1 following the opening singles matches of their Davis Cup World Group clash.

Japan's Kei Nishikori earlier beat Peter Polansky 6-4, 6-4, 6-4 to open the first meeting for the two nations since 1938.

While Sochi's Olympic venues are now among the most tightly guarded facilities in the world, the rest of this sprawling Black Sea resort looks more vulnerable.

With about 100,000 police, security agents and army troops flooding Sochi, Russia has pledged to ensure "the safest Olympics in history." But terror fears fueled by recent suicide bombings have left athletes, spectators and officials worldwide jittery about potential threats.

Phoenix handed Indiana only its second home loss of the season by beating the Pacers 102-94 on Friday, led by 28 points and seven assists from Goran Dragic.

In the day's other big game, Golden State dominated the boards and in the key to beat the Los Angeles Clippers.

Johan Franzen will not play hockey for Sweden at the Sochi Olympics because of a concussion.

The Detroit Red Wings forward missed a month before returning for one game on Sunday.

Senegal must pay the international basketball association around $650,000 in unpaid dues and fines for age cheating in junior tournaments before it can compete in this year's World Cup in Spain.

Serigne Mboup, chairman of a temporary committee running Senegalese basketball, said its financial situation is "catastrophic" and it "would take a miracle" for Senegal to compete at the showcase.

Bayern Munich winger Franck Ribery and Real Madrid forward Karim Benzema have been acquitted on charges of soliciting an underage prostitute.

The French judge ruled there wasn't enough proof the men were aware that self-described escort Zahia Dehar, now 21, was a minor at the time.

Michael Schumacher's doctors have started trying to wake up the former Formula Champion from the medically induced coma he's been in since a skiing accident last month, his manager said Thursday.

The 45-year-old Schumacher suffered serious head injuries when he fell and hit the right side of his head on a rock in the French resort of Meribel on December 29. The seven-time F1 champion has been in an induced coma in Grenoble University Hospital since then, although his condition stabilized following surgery after initially being described as critical.

Atletico Madrid will play crosstown rival Real Madrid in the Copa del Rey semifinals after coming from behind for a 2-1 win at Athletic Bilbao on Wednesday, sending the visitors through 3-1 on aggregate.

Bilbao had yet to be beaten in 12 games at its new San Mames Stadium, and it appeared set to turn around its 1-0 first-leg loss after Aritz Aduriz scored in the 42nd minute.