Maria Sharapova will crown one of tennis's most unlikely comebacks if she regains the title at the $5,000,000 WTA Championships which start on Tuesday.

Sharapova has gradually worked her way back to world number two after an operation in 2008 on a rotator cuff, the kind of shoulder injury from which most players never fully recover.

Defender Carles Puyol will miss Barcelona’s game at Granada on Tuesday as a precaution due to a problem in his groin area.

Gerard Pique will also be out as the center back continues his recovery from a leg injury.

Javier Hernandez has signed a new contract with Manchester United, tying the Mexico striker to the Premier League side until the end of the 2015-16 season.

United said Monday that the 23-year-old Hernandez, who was initially signed from Chivas in July 2010 only as a long-term prospect, had committed to a five-year deal.

Bayern Munich coach Jupp Heynckes has insisted the German league leaders will bounce back after a shock 2-1 defeat at Hanover ended their 13-match unbeaten run.

Both sides had a player sent off in Sunday's bad-tempered match, which resulted in Bayern suffering only their second defeat of the season.

Tickets for India's inaugural Grand Prix have not sold out, prompting organizers to slash prices in an effort to fill the 120,000-capacity circuit.

On Monday, tickets were still available online in all but the cheapest category -- the 2,500-rupee ($55) area.

Cristiano Ronaldo hit form with a hat-trick as Real Madrid tore apart Malaga 4-0 at the weekend and now he has his sights set on breaking the 100-goal mark for the Spanish giants against Villarreal.

While his fellow strikers were scoring freely with Gonzalo Higuain having hit three consecutive hat-tricks -- including one for Argentina -- going into the Malaga game, Ronaldo had been going through a dry patch.

Frenchman Gael Monfils hopes to ride the momentum of his Stockholm Open title into a long-sought trophy at his home Paris Masters next month.

The world number 10 claimed his first title in a year on Sunday when he defeated Jarkko Nieminen 7-5, 3-6, 6-2 to earn the crown in the Swedish capital in his debut.

Arsenal manager Arsene Wenger insisted he will continue to be cautious over Robin van Persie's fitness after the forward almost missed the victory over Stoke on Sunday.

Van Persie has been suffering with tightness in his muscles and after undergoing tests could only be named on the bench for the Premier League clash at the Emirates Stadium.

Maria Sharapova will crown one of tennis's most unlikely comebacks if she regains the title at the $5,000,000 WTA Championships which start on Tuesday.

Sharapova has gradually worked her way back to world number two after an operation in 2008 on a rotator cuff, the kind of shoulder injury from which most players never fully recover.

Andre Villas-Boas risks an FA charge after he delivered a fiercely critical assessment of referee Chris Foy's performance during Chelsea's 1-0 defeat at QPR.

The match official dismissed Jose Bosingwa and Didier Drogba for first half fouls after awarding the home side a ninth-minute penalty that was converted by Heidar Helguson.