Roger Federer of Switzerland serves to Juan Martin Del Potro of Argentina during their men's singles quarter-finals match at the Australian Open tennis tournament in Melbourne January 24, 2012.

Roger Federer returns a shot during the Australian Open tennis tournament in Melbourne January 24, 2012.

Tomas Berdych of Czech Republic serves to Nicolas Almagro of Spain during their men's singles match at the Australian Open tennis tournament in Melbourne January 22, 2012.

Gael Monfils of France serves to Bernard Tomic of Australia at the Kooyong Classic tennis tournament in Melbourne January 12, 2012.Andy Murray of Britain tumbles over on the court during his match with Michael Llodra of France at the Australian Open tennis tournament in Melbourne January 21, 2012.

Gael Monfils returns a shot during the Australian Open tennis tournament in Melbourne January 17, 2012.

Andy Murray of Britain tumbles over on the court during his match with Michael Llodra of France at the Australian Open tennis tournament in Melbourne January 21, 2012.

Andy Murray of Britain attempts a shot between his legs against Kei Nishikori of Japan during their men's singles quarter-final match at the Australian Open tennis tournament in Melbourne January 25, 2012.

Spectators wearing hats watch the women's singles quarterfinals match between Ekaterina Makarova of Russia and Maria Sharapova of Russia at the Rod Laver Arena of the Australian Open in Melbourne January 25, 2012.

The sun sets over the Melbourne skyline as Sabine Lisicki of Germany plays Maria Sharapova of Russia in their women's singles match at the Australian Open tennis tournament, January 23, 2012.

A view shows Nicolas Almagro of Spain's hand as he serves to Tomas Berdych of Czech Republic during their men's singles match at the Australian Open tennis tournament in Melbourne January 22, 2012.

Ana Ivanovic serves during the Australian Open tennis tournament in Melbourne

Serena Williams serves during the Australian Open tennis tournament in Melbourne January 23, 2012.

Serena Williams of the U.S. serves to Ekaterina Makarova of Russia during their women's singles match at the Australian Open tennis tournament in Melbourne January 23, 2012.

Kei Nishikori returns a shot during the Australian Open tennis tournament in Melbourne January 19, 2012.

Maria Sharapova of Russia follows through on a return to Sabine Lisicki of Germany during their women's singles match at the Australian Open tennis tournament in Melbourne January 23, 2012.

Maria Sharapova of Russia plays a shot against Petra Kvitova of the Czech Republic during their women's singles semi-final match at the Australian Open tennis tournament in Melbourne January 26, 2012.

Petra Kvitova of the Czech Republic celebrates breaking serve against Maria Sharapova of Russia during their women's singles semi-final match at the Australian Open tennis tournament in Melbourne January 26, 2012.

Caroline Wozniacki of Denmark hits a return to Anna Tatishvili of Georgia during their women's singles match at the Australian Open tennis tournament in Melbourne January 18, 2012.

Caroline Wozniacki of Denmark serves to Anna Tatishvili of Georgia during their women's singles match at the Australian Open tennis tournament in Melbourne January 18, 2012.

Rafael Nadal of Spain reacts during his men's singles match against Lukas Lacko of Slovakia at the Australian Open tennis tournament in Melbourne January 20, 2012.

Novak Djokovic of Serbia hits a return to Lleyton Hewitt of Australia during their men's singles match at the Australian Open tennis tournament in Melbourne January 23, 2012.

Novak Djokovic of Serbia tears his shirt as he celebrates after defeating Rafael Nadal of Spain in their men's singles final match at the Australian Open tennis tournament in Melbourne January 30, 2012.

Novak Djokovic of Serbia poses with his trophy after defeating Rafael Nadal of Spain in their men's singles final match at the Australian Open tennis tournament in Melbourne January 30, 2012.

A man walks by as protesters stand out front of the TSX building during a small "Occupy Toronto" rally in Toronto, October 17, 2011.

A man holds a sign reading "Freedom" at St. James park makeshift headquarters for the "Occupy Toronto" movement in Toronto, October 17, 2011.

Protesters hold a general assembly meeting at St. James Park, the makeshift headquarters for the "Occupy Toronto" movement in Toronto, October 17, 2011.

Protesters march down a street during the "Occupy Toronto" movement in Toronto, October 17, 2011.

A man sits on a gazebo at St. James park, the makeshift headquarters for the "Occupy Toronto" movement in Toronto, October 17, 2011.

Protesters gather at Dundas Square as part of the "Occupy Toronto" movement in Toronto, October 17, 2011.

People lay on a hammock in St. James Park as part of the "Occupy Toronto" movement in Toronto, November 7, 2011.

Protesters march down Yonge Street during the "Occupy Toronto" movement in Toronto, November 19, 2011.

A christian group sings songs as the "Occupy Toronto" protesters march down the street behind them in Toronto, November 19, 2011.

A person wears a "Guy Fawkes mask" at the "Occupy Toronto" movement in Toronto, November 19, 2011.

A protester screams during the "Occupy Toronto" movement in Toronto, November 19, 2011.

People play music inside St. James park during the "Occupy Toronto" movement in Toronto, November 19, 2011.

A man plays the accordion as a woman dances with inside St. James park during the "Occupy Toronto" movement in Toronto, November 19, 2011.

A man uses a makeshift swing inside St. James park during the "Occupy Toronto" movement in Toronto, November 19, 2011.

The Ontario Federation of Labour join the protest during the "Occupy Toronto" movement at St. James park in Toronto, November 21, 2011. A court ruling by justice David Brown on Monday states that the City of Toronto has the authority to evict the protesters from St. James Park.

A man holds a sign during the "Occupy Toronto" movement at St. James park in Toronto, November 21, 2011. Ontario Superior Court Judge David Brown upheld an eviction order for protesters camped in downtown Toronto on Monday, giving the Occupy Toronto movement until midnight to vacate the park they've held for more than a month.

People play the drums during the "Occupy Toronto" movement at St. James park in Toronto, November 21, 2011.Ontario Superior Court Judge David Brown upheld an eviction order for protesters camped in downtown Toronto on Monday, giving the Occupy Toronto movement until midnight to vacate the park they've held for more than a month.

A man sits with an a "Evict Me" sign beside him during the "Occupy Toronto" movement at St. James park in Toronto, November 22, 2011. Ontario Superior Court Judge David Brown upheld an eviction order for protesters camped in downtown Toronto on Monday, and although some protesters have left the park, many are staying until they are forced out.

A man walks by an emptied tent blowing in the wind during the "Occupy Toronto" movement at St. James park in Toronto, November 22, 2011. Ontario Superior Court Judge David Brown upheld an eviction order for protesters camped in downtown Toronto on Monday, and although some protesters have left the park, many are staying until they are forced out.

A protester argues with a police officer after city officials and police officers moved in to evict protesters during the "Occupy Toronto" movement at St. James park in Toronto, November 23, 2011.

Police walk through St. James park after they moved in to evict protesters as a woman yells from her tent during the "Occupy Toronto" movement in Toronto, November 23, 2011.

Police circle the gazebo at St. James park after they moved in to evict protesters during the "Occupy Toronto" movement in Toronto, November 23, 2011.

A protester raises his fist in behind police officers after they moved in to evict protesters at St. James park during the "Occupy Toronto" movement in Toronto, November 23, 2011.

Police arrest a woman at St. James park after they moved in to evict protesters during the "Occupy Toronto" movement in Toronto, November 23, 2011.

A protester is arrested at St. James park by police after they moved in to evict protesters during the "Occupy Toronto" movement in Toronto, November 23, 2011. Backed by a court order, police arrived at the downtown park at dawn and began removing unoccupied tents and garbage, while some protesters screamed at them, some sang and played guitar, and others dug in for an expected stand-off and forcible removal. Protesters first set up shop in Toronto's St. James Park in mid-October, following the lead of Occupy Wall Street protesters in New York's Zuccotti Park.

A protester sits as police walk through St. James park after they moved in to evict protesters during the "Occupy Toronto" movement in Toronto, November 23, 2011.

A woman stands in front of the boarded up library as police walk through St. James park after they moved in to evict protesters during the "Occupy Toronto" movement in Toronto, November 23, 2011.

A man shouts from a tree as Police walk through St. James park after they moved in to evict protesters during the "Occupy Toronto" movement in Toronto, November 23, 2011. Backed by a court order, police arrived at the downtown park at dawn and began removing unoccupied tents and garbage, while some protesters screamed at them, some sang and played guitar, and others dug in for an expected stand-off and forcible removal. Protesters first set up shop in Toronto's St. James Park in mid-October, following the lead of Occupy Wall Street protesters in New York's Zuccotti Park.

McMaster Marauders' Ben O'Connor (R) is tackled by Laval Rouge et Or's Abel Boucher during the second half of their Vanier Cup college football game at BC Place in Vancouver.

McMaster Marauders' Tanvir Bhangoo (99) celebrates with his teammates after they defeated Laval Rouge et Or in their Vanier Cup college football game at BC Place in Vancouver

McMaster Marauders' Bradley Fochesato celebrates as he is picked up by teammate Ben O'Connor after they defeated the Laval Rouge et Or in their Vanier Cup college football game at BC Place in Vancouver

McMaster Marauders players celebrate after they defeated Laval Rouge et Or in their Vanier Cup college football game at BC Place in Vancouver

McMaster Marauders' celebrates with the Vanier Cup after they defeated the Laval Rouge et Or in their Vanier Cup college football game at BC Place in Vancouver

Actor Brad Pitt of the film "Moneyball" poses during the 36th Toronto International Film Festival (TIFF) in Toronto, September 9, 2011.

Actors Brad Pitt (R) and Jonah Hill of the film "Moneyball" pose during the 36th Toronto International Film Festival (TIFF) in Toronto, September 9, 2011.

Actress Keira Knightley of the film "A Dangerous Method" poses for a portrait during the 36th Toronto International Film Festival (TIFF) in Toronto, September 11, 2011.

Actress Megan Fox arrives on the red carpet for the film "Friends With Kids" during the 36th Toronto International Film Festival in Toronto, September 9, 2011.

Actor Gerard Butler gestures with fans on the red carpet for the film "Machine Gun Preacher" during the 36th Toronto International Film Festival (TIFF) in Toronto, September 11, 2011.

Director George Clooney arrives on the red carpet for the film "Ides of March" during the 36th Toronto International Film Festival (TIFF) in Toronto, September 9, 2011.

Director Madonna arrives on the red carpet for the film "W.E." during the 36th Toronto International Film Festival (TIFF) in Toronto, September 12, 2011.

Cast member Sarah Bolger arrives at a carpet promotional event for the film "The Moth Diaries" during the 36th Toronto International Film Festival (TIFF), September 13, 2011.

Cast Member Sarah Gadon arrives at a carpet promotional event for the film The Moth Diaries during the 36th Toronto International Film Festival (TIFF), September 13, 2011.

New York Yankees Brett Gardner jumps against a camera advertisement for a home run hit by Toronto Blue Jays Adam Lind (not pictured) during the fourth inning of their MLB American League baseball game in Toronto, September 18, 2011.

Usain Bolt of Jamaica (L) takes the baton from Yohan Blake, as Darvis Patton of the U.S. (C) falls before handing the baton to teammate Walter Dix (R), during the men's 4x100 metre relay final at the IAAF World Championships in Daegu September 4, 2011. Jamaica set a new world record with a time of 37.04 seconds.

Usain Bolt of Jamaica uses a camera to take a picture of photographers after winning the men's 200 metres final at the IAAF World Athletics Championships in Daegu September 3, 2011.

Runners compete during the women's marathon final at the IAAF World Championships in Daegu August 27, 2011.

Competitors race in the women's 100 metres heats at the IAAF World Championships in Daegu August 28, 2011.

Competitors splash through the water jump during the men's 3,000 metres steeplechase heats at the IAAF World Championships in Daegu August 29, 2011.

Blanka Vlasic of Croatia reacts after an attempt in the women's high jump final at the IAAF World Athletics Championships in Daegu September 3, 2011.

Jesse Williams of the U.S. reacts during the men's high jump final at the IAAF World Championships in Daegu September 1, 2011.

Will Claye of the U.S. competes during the men's long jump final at the IAAF World Championships in Daegu September 2, 2011.

Serena WIlliams of the US does the splits as she celebrates a point against Kie Zheng of China during their third round match at the Rogers Cup women's tennis tournament in Toronto, August 11, 2011.

Serena Williams of the US serves to Victoria Azarenka of Belarus during their semi-final match at the Rogers Cup women's tennis tournament in Toronto, August 13, 2011.

Serena Williams of the US serves to Julia Georges of Germany during their match match at the Rogers Cup women's tennis tournament in Toronto, August 10, 2011.

Serena Williams of the US returns a shot to Lucie Safarova of The Czech Republic during their quarter-final match at the Rogers Cup women's tennis tournament in Toronto, August 12, 2011.

Maria Sharapova of Russia serves to Bojana Jovanovski of Belarus during their match match at the Rogers Cup women's tennis tournament in Toronto, August 10, 2011.

Andrea Petkovic of Germany serves a shot to Petra Kvitova of The Czech Republic during their third round match at the Rogers Cup women's tennis tournament in Toronto, August 11, 2011.

Andrea Petkovic of Germany returns a shot to Agnieszka Radwanska of Poland during their quarter-final match at the Rogers Cup women's tennis tournament in Toronto, August 12, 2011.

Agnieszka Radwanska of Poland returns a shot through her legs to Samantha Stosur of Australia during their semi-final match at the Rogers Cup women's tennis tournament in Toronto, August 13, 2011.

Galina Voskoboeve of Kazakhstan celebrates defeating Maria Sharapova of Russia during their third round match at the Rogers Cup women's tennis tournament in Toronto, August 11, 2011.

The shadow of Samantha Stosur of Australia is seen as she serves to Na Li of China during their third round match at the Rogers Cup women's tennis tournament in Toronto, August 11, 2011.

Caroline Wozniacki of Denmark returns a shot to Roberta Vinci of Italy during their match match at the Rogers Cup women's tennis tournament in Toronto, August 10, 2011.

Rebecca Marino of Canada returns a shot to Ekaterina Makarova of Russia during their match at the Rogers Cup women's tennis tournament in Toronto, August 8, 2011.

Julia Goerges of Germany celebrates defeating Jelena Jankovic of Serbia during their match at the Rogers Cup women's tennis tournament in Toronto, August 8, 2011.

Ayumi Morita of Japan serves to Samantha Stosur of Australia during their match at the Rogers Cup women's tennis tournament in Toronto, August 8, 2011.

Rebecca Marino of Canada returns a shot to Ekaterina Makarova of Russia during their match at the Rogers Cup women's tennis tournament in Toronto, August 8, 2011.

A reporter leans over the edge of the catwalk during the media preview for the "EdgeWalk" on the CN Tower 356m (1,168ft) above to ground in Toronto, July 27, 2011.

Reports lean back over the edge of the catwalk during the media preview for the "EdgeWalk" on the CN Tower 356m (1,168ft) above to groundin Toronto, July 27, 2011.

A reporter leans over the edge of the catwalk during the media preview for the "EdgeWalk" on the CN Tower 356m (1,168ft) above to ground in Toronto, July 27, 2011.

Feet are seen on a view from the catwalk during the media preview for the "Edgewalk" on top of the CN Tower 356m (1,168ft) above to ground in Toronto, July 27, 2011.

Target Chip Ganassi Racing driver Dario Franchitti of Scotland races his way to first place finish during the Honda Indy in Toronto, July 10, 2011.

Target Chip Ganassi Racing driver Dario Franchitti of Scotland drives during the qualification race at the Honda Indy Toronto, July 9, 2011.

Dale Coyne Racing driver Sebastien Bourdais of France races during practice sessions before the qualifications at the Honda Indy Toronto, July 9, 2011. The camera was tilted to create the effect.

A woman screams as she takes part in the Gay Pride Parade in Toronto, July, 3, 2011.

A person wears a giant red wig as the take part in the Gay Pride Parade in Toronto, July 3, 2011.

Revelers hold a giant pride flag as the take part in the Gay Pride Parade in Toronto, July, 3, 2011.

A woman dances on a pole on the back of a truck as she takes part in the Gay Pride Parade Toronto, July, 3, 2011.

A man wears a costume as he takes part in the Gay Pride Parade in Toronto, July, 3, 2011.

Spectators pose during the Gay Pride Parade in Toronto, July, 3, 2011.

A person wearing a dress takes part in the Gay Pride Parade in Toronto July, 3 2011.

A person leaves their cart as they take part in the Gay Pride Parade in Toronto, July, 3, 2011.