A U.N.-run radio station in Congo says four members from the country's Olympic delegation have gone missing in London.

The station reported Monday that judo athlete Cedric Mandembo disappeared after the closing ceremony, and has not been reachable on his mobile phone. He lost his match after 49 seconds.

Roger Federer would have hoped for more than just the few days of pause he managed after the London Olympic final, but will take what he can get as the world number one prepares for his start on Wednesday at the Cincinnati Masters.

The top seed said even his few days away to celebrate his 31st birthday with his wife and twin daughters was worthwhile for recuperation as he lays the groundwork for his final sprint of the abbreviated summer hardcourt season going into the U.S. Open.

The London Olympics lost its first medalist to a doping scandal on Monday as Belarus shot-putter Nadezhda Ostapchuk was stripped of gold a day after the Games closed in a blaze of music and color.

Thousands of athletes began a mass exodus from London and turned their thoughts to Rio de Janeiro in 2016, as Britain basked in the adulation for a Games that electrified billions of viewers around the globe.

Aston Villa goalkeeper Shay Given retired from international duty with the Republic of Ireland on Monday.

Given made his Ireland debut against Russia in 1996 and went on to represent the Republic a record 125 times before hanging up his gloves in the aftermath of a disappointing Euro 2012 campaign.

Bayern Munich defeated Borussia Dortmund 2-1 in the German Supercup on Sunday, ending a run of five consecutive defeats to the league and cup champion.

Offseason signing Mario Mandzukic opened the scoring in the sixth minute and helped Bayern extend its lead five minutes later when he found Arjen Robben. The Dutchman's effort hit the post but Thomas Mueller converted the rebound.

With a little British pomp and a lot of British pop, London brought the curtain down on a glorious Olympic Games on Sunday in a spectacular, technicolor pageant of landmarks, lightshows and lots of fun.

The closing ceremony offered a sensory blast including rock 'n' roll rickshaws, dustbin percussionists, an exploding yellow car and a marching band in red tunics and bearskin hats.

Top-seeded Novak Djokovic won his second straight Rogers Cup title and third overall, beating Richard Gasquet 6-3, 6-2 on Sunday night.

The Serbian star, also the tournament winner in 2007, won for the first time since the ATP Masters stop in Miami four months back.

Manchester City manager Roberto Mancini has backed Carlos Tevez to play a starring role for the Premier League champions after his stunning strike inspired a 3-2 win over Chelsea in the Community Shield.

Tevez was in vibrant form at Villa Park on Sunday as the Argentine forward provided a glimpse of the talent that City missed for much of last season during a self-imposed exile that followed his touchline row with Mancini at Bayern Munich.

Rory McIlroy blitzed the field on a marathon Sunday at the PGA Championship, claiming his second major title with a record-setting eight-shot victory on the wind-swept Ocean Course.

The 23-year-old Northern Irishman surpassed Luke Donald to become the No. 1 ranked player in the world as he closed with a six-under 66 in the final major championship of the season.

Brazil coach Mano Menezes insists he doesn't deserve to be sacked after his side's Olympic final defeat against Mexico because they will use the painful memory to win the 2014 World Cup.

Menezes faces a fight to hang onto his job after Brazil's latest attempt to win Olympic gold ended in humiliation after a lackluster 2-1 loss to underdogs Mexico at Wembley on Saturday.