Alou Diarra during the 2012 European Football Championship
After the season 1999/2000 in the French second division club CS Louhans - Cuiseaux Diarra moved to Germany to Bayern Munich. For the amateur team he played in his first season in the Regionalliga Süd 28 times and scored four goals. In the 2:4 home defeat on 30 July 2000 ( Matchday 1 ) against the VfR Mannheim he came on in the 46th minute for Andrew Sinkala and scored in the 73rd minute the deficit to intermediate 1:2 also his first target.
2001/ 02 was appointed to the senior squad - but without the use of the Bundesliga - he played 13 times in the Regionalliga Süd and posted on April 7, 2002 ( 28 Matchday) during 9-0 home win over Borussia Fulda his only goal of the season.
In 2002 he left the Bavaria and signed a contract with Liverpool. With his skills, however, he could not convince his compatriot and coach Gérard Houllier and was consequently not a single competitive game for the Reds. About Lending match practice at Le Havre AC, SC Bastia and Lens it was made possible; from the second season for RC Lens in the 2005/06 season, Diarra was contractual and regular players.
For the season 2006/ 07 there was a reunion with Houllier: Diarra joined for around 7 million euros to the French champions Olympique Lyon and contributed with a goal in 15 appearances for the Championship of OL at. Last Diarra had fallen out with Houllier but resigned to the end of the season. Then Werder Bremen showed interest in signing Diarra; However, the change did not come about because Diarra joined in July 2007 for 7.7 million euros to Girondins Bordeaux. 2008 still second in the championship he won with the team this in 2009.
In the 2011/12 season he played for the first division and second in the last season Olympique Marseille. With it he won on July 27, 2011 at the Moroccan Tangier also the first title of the season. In the final of the Supercup his team to Lille defeated in the regular season spectacular with 5:4.
For the season 2012/13 he moved to the Premier League for West Ham United. He signed with the " hammer " valid until 30 June 2015 contract. He made his debut on 25 August 2012 ( 2nd Round ) in the 0-3 defeat in the away game against Swansea City with Substitutes for Momo Diamé in the 70th minute.
He returned on loan until end of season to France and played on 2 February bis May 18, 2013 12 top-flight appearances for Stade Rennes. At the end of the loan period, he played his first league game on August 17, 2013 ( Matchday 1 ) in a 2-0 win at home against Cardiff City.
On October 9, 2004 Diarra completed his first cap for the senior team, who split scoreless in Paris from the national team of Ireland. Diarra came on in this match for Olivier Dacourt in the 63rd minute.
His body size and clout make it a similar types of players like Patrick Vieira. For this he was also on as a substitute in his two appearances at the World Cup in 2006 - the group match against Togo and in the 56th minute of the final against Italy.
- French champion in 2007 with Olympique Lyon
- French League Cup winners in 2009 with Girondins Bordeaux 2012 with Olympique Marseille
- Second in the championship in 2008 with Girondins Bordeaux
- French Champion 2009 with Girondins Bordeaux
- French Supercup Winner 2008, 2009, Bordeaux, 2011 with Olympique Marseille