Key Italian central defender Andrea Barzagli is a major doubt for Euro 2012 after tearing his left calf muscle according to the team doctor.

The 31-year-old Juventus star - a member of Italy's 2006 World Cup winning squad - will definitely be out for around 20 days according to the doctor Enrico Castellacci.

The Oklahoma City Thunder are on the verge of reaching the NBA finals after beating San Antonio 108-103 with 27 points from Kevin Durant in game five of their Western Conference series.

Oklahoma City lost the first two games of the series but have stormed back to win three straight and now lead the Spurs in the best-of-seven series.

Former star Pele on Monday criticized the Brazilian Olympics squad saying he felt they "are not ready" for the event on the evidence of a 2-0 weekend loss to Mexico and also lambasted starlet Neymar for overly hugging the left wing.

"I think it's good this (defeat) happened as it does away with the feeling that this is a marvelous team, that it's doing fine," opined Pele of the loss to the Mexicans in Texas which came on the heels of a much more impressive 4-1 win over the United States.

Andy Murray will be the odd man out in Wednesday's two remaining quarterfinals at the French Open.

The Scot will be corralled by three Spaniards, with, at their head, the imposing figure of six-times former champion Rafael Nadal.

Despite tumbling to the clay and struggling with her serve, Maria Sharapova moved closer to her first French Open title by reaching the quarterfinals with a ragged 6-4, 6-7 (5), 6-2 victory Monday over unseeded Klara Zakopalova of the Czech Republic.

In the third set, Sharapova occasionally clutched at or flexed her right wrist.

France's fifth seed Jo-Wilfried Tsonga defeated Stanislas Wawrinka 6-4, 7-6 (8/6), 3-6, 3-6, 6-4 on Monday to reach the French Open quarter-finals for the first time where he will face top seed Novak Djokovic.

The players had to return to Philippe Chatrier court for a second day after Sunday's action was halted because of fading light with Tsonga 4-2 up in the decider.

Australian and Japanese dominated Sunday's final day of the Santa Clara Invitational swim meet with three triumphs for each nation in preparation for next month's London Olympics.

Aussie veteran Leisel Jones won the 100-meter breaststroke in 1:07.37, 1.08 seconds ahead of American Alia Atkinson, with Aussie Sarah Katsoulis third in 1:09.08.

Paul Pierce scored 23 points and Rajon Rondo added 15 points and 15 assists to spark the Boston Celtics over the Miami Heat 93-91 in over-time on Sunday to level their NBA playoff series.

The best-of-seven Eastern Conference final showdown will continue with game five on Tuesday at Miami and game six back in Boston on Thursday.

Lebanon lost 0-1 to Qatar on Sunday in the first match of the final Asian qualifying round for the 2014 FIFA World Cup.

Uruguayan-born striker Sebastian Soria scored in the 63rd minute of the Group A match, taking advantage of a poor pass from Ramez Dayoub and then eluding goalkeeper Ziad El-Samad for an easy tap-in.

Sara Errani of Italy and Angelique Kerber of Germany both reached the French Open quarterfinals for the first time on Sunday with straight sets wins in fourth round action.

Errani, seeded 21, defeated Svetlana Kuznetsova of Russia 6-0, 7-5, while 10th seed Kerber ousted Petra Martic of Croatia 6-3, 7-5.