On a pivotal moment on lap two, he was given a 'drive-through' penalty after an incident with Ferrari's Rubens Barrichello.
The defending champion came seventh, one second behind stage winner Michael Matthews of Australia as Aru, who started the day with the yellow jersey on his shoulders, lost 25 seconds to the Briton in the final effort, a 600-metre climb at an average gradient of 9.6 per cent.
Manchester United striker Robin van Persie is lacking confidence and struggling to make an impact in matches, according to his manager Louis van Gaal.
Michael Schumacher of Germany, driving a Ferrari, has won the San Marino Formula One Grand Prix.
Rubens Barrichello was 0.128 slower than Montoya in second place, while Schumacher was third with 1:20.784.
Here is a terrific quote that is doing the rounds from Chile's coach, Jorge Sampaoli.
The Ferrari driver is one point ahead of Williams's Juan Pablo Montoya and two clear of McLaren's Kimi Raikkonen with two races remaining after Monza.\n\n
Bayern Munich have signed midfielder James Rodriguez from Real Madrid on a two-year loan deal with an option to buy the player, the German champions said on Tuesday.
David Coulthard grabbed second place for McLaren, ahead of Jarno Trulli and Fernando Alonso in the two Renaults.
Williams's Formula One championship challenge is on after they ousted McLaren as Ferrari's closest rivals.
Kerala Blasters missed a crucial second-half penalty kick and had to settle for a 1-1 draw against rivals Chennaiyin FC in the Hero Indian Super League football, in Kochi, on Saturday.
Second-seed Lleyton Hewitt moved into the quarter-finals of the Washington Open with a routine 6-3 6-2 win over Colombian Alejandro Falla on Wednesday.
Lionel Messi created a goal and scored another as Barcelona came from behind to beat struggling Rayo Vallecano 3-1 at home on Saturday and stay seven points clear at the top of La Liga.
The six-times world champion was 0.362 of a second quicker than Colombian Juan Pablo Montoya's Williams.
FIFA president Gianni Infantino, whose election promises included expanding the World Cup finals to 40 countries, on Monday proposed an even larger tournament involving 48 teams.
"Sergio Aguero will be assessed by Club doctors today after being involved in a road accident on Thursday," City said of the Argentina striker in a statement on their website. (www.mancity.com)
Montoya was black-flagged after 57 of the 73 laps and retired in the pits while third.
The Colombian will race for McLaren in 2005 after completing his contract with Williams.
Federico Montoya will drive for the Berlin-based Muecke team in the German Formula BMW series next year.
The Scot is looking for a drive after McLaren signed Colombian Juan Pablo Montoya from Williams for 2005.
The German won a wet and wild US Grand Prix while Colombian rival Juan Pablo Montoya's title hopes were blown away.
Ferrari's Michael Schumacher can win a record sixth Formula One championship at Indianapolis on Sunday if circumstances go his way.
Argentina will return to Olympic football next year after sealing victory in the South American under-20 qualifying tournament in Uruguay on Saturday.
The defending F1 champion expects the title to be decided by a last-race duel between himself and the Colombian.
The German world champion now has 82 points to second-placed Montoya's 79.
Ferrari's ace is resigned to the idea of his younger brother helping the Colombian become world champion at his expense.
A Colombian doctor who treated controversial Argentine soccer legend Diego Maradona for weight loss last year was nabbed at an international airport on Wednesday with nearly 2 kilos of cocaine packed in his bags, police said.
The Colombian had a blistering late lap to outpace his German team mate at Williams Ralf Schumacher.
