Arsenal winger Theo Walcott will miss the World Cup for England after being ruled out for six months on Monday with a torn knee ligament, an injury that also deals a major setback to his club's hopes of winning the Premier League.

Walcott ruptured the anterior cruciate ligament in his left knee as he made a tackle toward the end of Arsenal's 2-0 win over Tottenham in the FA Cup on Saturday.

Top seed and defending champion Agnieszka Radwanska of Poland was defeated by American qualifier Bethanie Mattek-Sands 7-5, 6-3 in the second round of the Sydney International, a key warm-up tournament for the Australian Open.

Mattek-Sands, who is back on tour after a four-month layoff because of a right knee injury, lost in the first round in Brisbane last week and had to win three matches just to qualify for the main draw in Sydney.

Joe Johnson broke out of a slump with 23 points against his former team as the Brooklyn Nets beat the Atlanta Hawks 91-86 on Monday for their third straight victory.

Elsewhere in the NBA, the Minnesota Timberwolves ended the Philadelphia 76ers' four-game winning streak with a 126-95 victory and the Los Angeles Clippers, playing without the injured Chris Paul, routed the Orlando Magic 101-81.

The Cleveland Cavaliers traded Andrew Bynum in time — and got an All-Star in return.

The Cavaliers acquired Luol Deng from the Chicago Bulls late Monday night for Bynum and three future draft picks, beating the deadline to guarantee the center's full contract for the season.

Former U.S. Homeland Security Secretary Janet Napolitano is ready for the focus of the Sochi Olympics to shift from security concerns and terrorism threats to all the athletes who will be competing.

Yet Napolitano, who is leading the U.S. delegation at the games, fully understands the daunting task of organizing an event of this magnitude — especially in the wake of two suicide bombings last week in the Russian city of Volgograd, 400 miles (640 km) from Sochi.

Manchester United manager David Moyes said he is urgently looking to bring in players during the January transfer window in the wake of his team's disappointing first half of the season.

United is seventh in the Premier League after 20 games, 11 points behind leader Arsenal, and was eliminated by Swansea in the third round of the FA Cup on Sunday.

Only one week into 2014 and English cricket is already in despair after the national team was humiliated by archrival Australia in the traditional Ashes series.

Australia sealed only the third 5-0 whitewash in the Ashes' 130-year history on Sunday, winning the fifth test in Sydney by 281 runs with more than two days to spare.

Alexis Sanchez netted his first hat trick for Barcelona to spark its 4-0 win over Elche at Camp Nou on Sunday, setting up a highly anticipated showdown with Atletico Madrid next week between the top two teams in the Spanish league.

With Lionel Messi watching from the stands and Neymar waiting in the dugout, Barcelona turned to Alexis and its core of Spain internationals for a second straight victory without its star forwards on either side of the two-week winter break.

Serie A leader Juventus remained on course for a third straight title with a 3-0 victory over second-placed Roma, which was forced to play with nine men for the final 13 minutes on Sunday.

It was a 10th successive win for Antonio Conte's team and saw it extend its lead at the top of the table to eight points at the halfway stage of the season. It was Roma's first loss of the season.

While Kobe Bryant heals from his latest injury, he has an unusual campaign message for the fans who select the NBA All-Star game's starters: Don't vote for me.

The Los Angeles Lakers' superstar guard is hoping fans elect younger, more deserving players to start next month's showcase in New Orleans.