NBA scoring champion Kevin Durant struck for 22 points, five coming in a game-ending 9-0 run, as Oklahoma City stunned the Los Angeles Lakers 77-75 in the NBA playoffs on Wednesday.

The Thunder, unbeaten in six playoff games, seized a 2-0 lead in the best-of-seven Western Conference second-round series, which shifts to Los Angeles for games three and four on Friday and Saturday.

Kevin Garnett scored 27 points while Paul Pierce added 24 and Rajon Rondo had 23 as Boston cruised past Philadelphia 107-91 on Wednesday to grab the lead in their NBA playoff series.

The Celtics traded one-point victories with Philadelphia in the first two games in Boston, but their stars dominated early on the way to the team taking a 2-1 edge in the second-round Eastern Conference best-of-seven series.

Roger Federer and Rafael Nadal stepped up their preparations for the French Open a gear as both advanced without any problems in their opening matches at the Rome Masters here on Wednesday.

Federer's last minute decision to compete was rewarded immediately as he coasted to a 6-3, 6-4 second-round win over Argentinian journeyman Carlos Berlocq.

FC Barcelona's Brazilian star Dani Alves is expected to be out of action for up to two months after undergoing surgery on Wednesday on a broken collarbone, the Spanish club announced.

"The expected recuperation period is to be between six and eight weeks," the Primera Liga side said, adding that the player would leave hospital on Thursday.

Striker Carlos Tevez insisted Wednesday he would not apologize to Sir Alex Ferguson after waving a mocked-up tombstone of the Manchester United boss during Manchester City's Premier League title celebrations.

"It seems that Ferguson is the president of England. Because each time that he speaks badly of a player or talks nonsense about me no-one comes out to say that he has to apologize.

Liverpool legend Kenny Dalglish was sacked as manager of the club on Wednesday in a dramatic move by the club's owners following a disappointing Premier League campaign.

The 61-year-old Scot, who had returned for a second stint as manager at Anfield in January last year, paid the price for a dismal season which saw Liverpool finish 37 points behind champions Manchester City.

Slammed by UEFA chief Michel Platini for allowing Euro 2012 hotel prices to sky-rocket, embattled co-host Ukraine has tried to make good on a pledge to try to ease the burden on fans' pockets.

"We've seen that there is now more on offer, so prices have gone down," UEFA spokesman Thomas Giordano told Agence France Presse. "It's clear that there is still overpriced accommodation out there but nobody's going to book it," he added.

Chicago Bulls guard Derrick Rose, the 2011 NBA Most Valuable Player, could be out between eight and 12 months following knee surgery to repair a torn anterior cruciate ligament, the NBA team said.

Bulls team doctor Brian Cole said Tuesday that Rose's rehabilitation will involve a series of progressive steps.

Tim Duncan finished with 26 points and 10 rebounds as San Antonio cruised past the Los Angeles Clippers 108-92 in game one of the Western Conference semi-finals on Tuesday, extending the Spurs' win streak to 15 games.

San Antonio tied a franchise playoff record with 13 three-pointers, opening up a 19-point lead in the third quarter to win the first game of their best-of-seven series.

David West scored 16 points and George Hill had 15 as the Indiana Pacers defeated the Miami Heat 78-75 Tuesday to even their Eastern Conference second round series at one game each.

Hill also nailed a key free throw with 14.1 seconds left in the fourth quarter to give the Pacers a 78-75 lead.