Cristiano Ronaldo hit his sixth hat-trick of the season as Real Madrid took a huge step towards winning La Liga, coming from behind to beat Levante 4-2 and open a 10-point lead over Barcelona.

After Gustavo Cabral gave Levante a surprise early lead, Ronaldo got his first from the penalty spot following a handball by Vicente Iborra, who was also dismissed for his second yellow card.

Luis Suarez apologized Sunday for refusing to shake hands with Patrice Evra while Liverpool criticized its player for the first time in this protracted racism dispute that has tarnished the reputation of one of England's storied clubs.

Suarez, a national player for Uruguay, snubbed Evra before Saturday's Premier League game at Old Trafford. This was the players' first meeting since Suarez was banned for eight matches for racially abusing the Manchester United defender in October.

LeBron James scored 23 points and Dwyane Wade added 21 to power the Miami Heat over the Atlanta Hawks 107-87 in an NBA rout by the reigning Eastern Conference champions.

Chris Bosh contributed 14 points and 16 rebounds for Miami while Mario Chalmers added 15 points for the Heat, who also got 13 rebounds from James.

Wayne Rooney's double helped Manchester United down Liverpool 2-1 Saturday as the ill-feeling remaining from the Luis Suarez racism controversy escalated.

Suarez scored an 80th minute consolation for Liverpool to ensure an anxious finale for United but the game will be remembered for other reasons involving the Uruguay international.

League leaders Juventus's match at Bologna on Sunday has been called off due to heavy snow while Fiorentina's trip to Parma has also fallen victim to the weather.

The decision in Bologna was taken by the local police after talks with security officials and both clubs.

Roberto Mancini has denied suggestions his Manchester City players are buckling under the strain of leading the Premier League.

City have topped the table for most of the season but they could find themselves deposed by Manchester United this weekend.

Jeremy Lin passed his biggest test since bursting onto the NBA scene last weekend, scoring a career-high 38 points to lead the Knicks to victory over Kobe Bryant's Los Angeles Lakers.

Lin, the first American of Taiwanese and Chinese heritage to play in the NBA, rewarded the faith of his fans, making 13-of-23 shots from the floor and passing out seven assists in the Knicks' 92-85 victory over the Lakers.

Double world champion Sebastian Vettel returned to the track for the first time in two months on Thursday, but was overshadowed by German compatriot Nico Rosberg.

Vettel, behind the wheel of the new Red Bull RB8, clocked 1min 19.297sec in his first stint of winter testing with Rosberg flying to a day's best of 1min 17.613sec in his Mercedes.

Home favourite Marion Bartoli shook off some first-set rustiness to defeat Croatian Petra Martic 7-5, 6-1 here on Thursday and take her place in the WTA Paris Open quarter-finals.

After breaks of serve were exchanged three times in the first eight games, Bartoli broke for a 6-5 lead when Martic put a forehand long and took the first set when the stretching Croatian could only find the net with a forehand.

An under-strength Siena stunned Napoli 2-1 on Thursday to take a decisive step towards a first ever Italian Cup final.

Brazilian Reginaldo and Gaetano D'Agostino scored the goals to give Siena a semi-final, first leg victory although they may live to rue Emanuele Pesoli's late own goal.