A tearful Angelique Kerber stunned an errant Serena Williams to win the Australian Open on Saturday and thwart the American top seed's bid to equal Steffi Graf's Open-era record of 22 Grand Slam titles.

In a huge upset, the seventh seed toppled the 34-year-old 6-4, 3-6, 6-4 to win her maiden major title and become the first German Grand Slam champion since Graf at the 1999 French Open.

A five-year-old Afghan boy has become an Internet star after pictures went viral of him wearing an Argentina football shirt made out of a plastic bag, complete with his hero Lionel Messi's name.

Murtaza Ahmadi has never met his idol and lives in a Taliban-controlled area of Afghanistan but footage and photos of him wearing the improvised shirt, with Messi's named scrawled in marker pen, went round the world.

Kevin Love tallied 29 points and LeBron James reached 26,000 career points as the Cleveland Cavaliers dumped the Detroit Pistons 114-106 in a NBA Central Division contest on Friday night.

Love, who was passed over by the Eastern Conference coaches for the upcoming all-star game, enjoyed his second-highest scoring game this season. The power forward scored 34 against Orlando on November 23.

Andy Murray said his past disappointments would have no bearing on Sunday's title match against Novak Djokovic as he looks to end a run of four near-misses by finally winning the Australian Open.

Murray admitted he was the firm underdog against five-time champion Djokovic, who has beaten him three times in the Melbourne Park final in 2011, 2013 and 2015. Murray also lost to Roger Federer in 2010.

Britain's Mark Cavendish Saturday said he was not in the Cadel Evans Great Ocean Road Race just to "roll around" as he prepared to compete in his first road race of 2016.

Cavendish, the winner of 26 Tour de France stages, will race in the second annual edition of the Australian road event on Sunday for Team Dimension Data.

Tottenham midfielder Mousa Dembele has signed a new contract that will keep him with the Premier League side until 2019, the club said on Friday.

Dembele, 28, joined Spurs from Fulham in 2012 and has started 16 league games for Mauricio Pochettino's side this season, scoring three goals.

Barcelona coach Luis Enrique dismissed suggestions his side will have the La Liga title in their grasp with victory over closest challengers Atletico Madrid on Saturday.

The European champions are level with Atletico on 48 points at the top of the table, but have a game in hand on Diego Simeone's men, and could also move seven points clear of Real Madrid with a win at the Camp Nou.

Andy Murray twice fought back from a set down to win a grueling five-set semi-final against an injury-hampered Milos Raonic and set up his latest Australian Open final against five-time champion Novak Djokovic on Friday.

The four-time runner-up reached his fifth Australian Open final after overcoming the gallant Canadian 4-6, 7-5, 6-7 (4/7), 6-4, 6-2 in four hours, three minutes on Rod Laver Arena.

Former Manchester United defender Nemanja Vidic announced his retirement from football on Friday at the age of 34.

Vidic won five Premier League titles and the 2007-08 Champions League in an eight-year spell at Old Trafford, but conceded injuries had forced him to call time on his career.

Javier Fernandez of Spain won his fourth straight European title on Thursday with the best free program at the European figure skating championships.

Fernandez had a convincing lead of more than 14 points after winning the short program and performed the free skate no rival could match. It was not flawless, though, with a notable fall on a triple axel.