Rosberg got the better of teammate Michael Schumacher, finishing third to the former world champion's fifth position, with world champion Jenson Button separating the pair in fourth place.
Graeme Dott is out of the reckoning after losing 4-0 to Anthony Hamilton, his third successive defeat, while world champion and world number one John Higgins cruised to a 4-0 win over Mark King.
Pole sitter and three-time reigning world champion Vettel was third in a Red Bull.
"It means a lot to be named ITF World Champion for the third time, " said Williams, who finished the season with a WTA Tour-best seven titles.
Davidson, who tested for BAR last season, was promoted to third driver after Sato succeeded former world champion Jacques Villeneuve as Button's team-mate for the 2004 campaign.
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The Olympic silver medallist beat Puerto Rico's Javier Culson who clocked 48.09, while 2005 world champion Bershawn Jackson was third in 48.23.
Former world champion Nicky Hayden finished third in his best result since joining Ducati, with the American having finished second in the inaugural Indianapolis event last year before switching teams.
Seven-time world champion Schumacher was also third fastest in the morning, meaning the 41-year-old outperformed his younger teammate Nico Rosberg in both practice sessions for the first time in his comeback season.
Controversial world 800m champion Caster Semenya finished third on her Diamond League debut as Kenya's Janeth Jepkosgei won the race and title.
Button's compatriot and out-going world champion Lewis Hamilton came home third.
The 20-year-old led the qualifying for Tuesday's final but, despite being the current European champion and ranked third in the world, he could not find the jump which would have earned him a medal.
Saxo Bank, including Luxembourg's Andy and Frank Schleck and Swiss time trial world champion Fabian Cancellara, were third, 12 seconds behind the winners and two seconds off the Liquigas outfit of Italy's Vincenzo Nibali.
The four-time grand slam champion, currently ranked third in the world, will now become the new World No.2 when the revised standings are unveiled on Monday.
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The Frenchman stunned the sport by producing a jump of 17.98m in New York earlier this season, the third longest effort in history, but the world indoor champion tore his calf muscle at his national championships a fortnight ago and only confirmed his participation on Monday.
Stephen Miller won his third consecutive World Championship gold in the club while fellow Paralympic champion Danny Greaves was also in winning form in the F44 discus.
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"The difference between third and fourth is just one point, " said the world champion.
Triple world champion Ted Ligety of the United States finished third after making crucial mistakes on his first run.
Although he managed to finish third last season, the Finn was still a whopping 74 points behind world champion Sebastian Vettel, but former world champion Raikkonen remains confident that Lotus can challenge the sport's elite in the coming season.
Defending champion Lee Westwood shared third place with Alvaro Quiros to remain as world number one.
The Russian will next face world No. 45 Philipp Petzschner, who upset defending champion and third seed Tomas Berdych 1-6 6-3 6-4.
World marathon champion Abel Kirui, Duncan Kibet, who set the third-fastest time in history in last year's Rotterdam Marathon, and Emmanuel Mutai are expected to accompany Wanjiru.
The 2009 U.S. Open champion set up a third-round clash with Taiwan's world No. 79 Yen-Hsun Lu by beating Slovenia's Blaz Kavcic 6-4 7-5 6-3, continuing his career revival following longterm wrist injury.
Japan grabbed their third judo gold medal of the Games in the absence of Iran's world champion Arash Miresmaeili who failed to make the weight after earlier threatening to boycott his contest against an Israeli opponent.
But six-time world champion Michael Schumacher will not get back into the car until the third week of January.
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However, his second place means the Spaniard now requires one third-place finish in any of the final three races to become the youngest world champion.
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Froch, who is unbeaten in 26 professional encounters, will be making the third defence of his world title against Kessler, who was outpointed by Wales' former world champion Joe Calzaghe in 2007.
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The top names in the field -- world No. 2 Novak Djokovic, five-time champion Rafael Nadal and third seed Andy Murray -- begin their campaigns on Wednesday after being handed a first-round bye.
The defending world champion had come close to clinching the final podium place at the end of the third day.
Sebastian Vettel will start third on the grid after young Lotus driver Romain Grosjean, 26, snatched second place from the reigning world champion in the final seconds of the day's racing.
Double world champion Fernando Alonso was fourth fastest, edged out by his Ferrari teammate Felipe Massa who went third fastest at the Sepang International Circuit.
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