Pound-for-pound king Floyd Mayweather said he dislocated his left elbow in the middle of his majority decision over previously unbeaten Saul Alvarez on Saturday.

The 36-year-old Mayweather earned a record $41 million purse for a dominating 12-round victory in which he claimed Alvarez's World Boxing Council and World Boxing Association super welterweight belts.

Milan forward Stephan El-Shaarawy is expected to be out of action for two to three weeks after suffering a thigh strain, the Serie A club have confirmed.

El-Shaarawy, who has started the new campaign warming the substitutes' bench, suffered the injury in training on Friday.

Paris Saint-Germain eased to a 2-0 win at Bordeaux on Friday to move provisionally top of the French league.

PSG dominated from the start and took the lead on the half hour mark. Zlatan Ibrahimovic picked out Blaise Matuidi with a delightful pass and although his first shot was stopped by Cedric Carrasso, Matuidi collected the rebound, rounded the Bordeaux goalkeeper and fired home.

World marathon record-holder Patrick Makau has withdrawn from this month's Berlin marathon due to a knee injury, the athlete said on Saturday.

The 28-year-old Kenyan, who set the world's best of 2:03.38 on the same course in 2011, said he was disappointed not to compete in Berlin, where he planned to lower his record.

David Moyes will wait until the last minute before deciding if Wayne Rooney can return from his head injury in Manchester United's Premier League clash against Crystal Palace on Saturday.

Rooney was forced to miss United's defeat at Liverpool at the end of last month and England's World Cup qualifiers against Moldova and Ukraine after suffering a nasty head gash in an accidental training ground collision with Phil Jones.

Canada ended the first day of their Davis Cup semifinal with Serbia level on 1-1 as Janko Tipsarevic failed to follow up Novak Djokovic's opening win.

In the first rubber, it took only 100 minutes for world number one Djokovic to compellingly and confidently rout 41st-ranked Canadian Vasek Pospisil, giving Serbia an early lead.

Longtime Roma captain Francesco Totti has reportedly reached a deal to extend his contract for two more seasons, ensuring he will play until he's on the cusp of 40.

The 36-year-old Totti's current deal was due to expire at the end of this season. The Gazzetta dello Sport says the new deal, which is expected to be signed later this month, is worth 3.2 million euros ($4.2 million) per season.

Coach Carlo Ancelotti gave Real Madrid fans two things to celebrate on Friday.

The Italian manager said Gareth Bale will make his debut for his new club at Villarreal on Saturday, and goalkeeper Iker Casillas will get his first start since midway through last season on Tuesday in Madrid's Champions League opener.

Kaka is likely to start for AC Milan in his first match since transferring back to the club from Real Madrid.

Milan visits Torino on Saturday and coach Massimiliano Allegri said: "I think he'll be a starter."

Victor Manuel Vucetich has taken charge of a Mexico team at risk of missing the World Cup if it doesn't win its next two qualifiers against Panama and Costa Rica.

Hired on Thursday, the 58-year old Vucetich is one of the most successful coaches in the Mexican leagues, where he's known as "King Midas" after winning 14 of the 15 finals he has managed in his career.