Career
Early years / Bayern Born in Freising, Bavaria, Haas played four years in the Landesliga with hometown"s Southeast Freising, before joining Football Club Bayern Munich II in July 2007. He did not make his debut until 29 October of the following year, when he came on as a 59th-minute substitute for Mehmet Ekici in a 3–3 away draw against SV Sandhausen, but soon became a regular in the team, initially in midfield but subsequently in defence. On 14 February 2009 he scored his first goal for the reserves, in a 2–3 loss at Dynamo Dresden.
In 2010, Haas was picked by Football Club Bayern Munich manager Louis van Gaal for the first team, but continued to play mainly for the B-side.
He played in pre-season friendlies with the main squad, most notably the Franz Beckenbauer farewell match against Real Madrid, but, not being involved in any competitive games, moved to England on 31 January 2011, signing for Football League Championship club Middlesbrough for an undisclosed fee. Middlesbrough Haas made his debut for Boro against Queens Park Rangers, playing the last eight minutes in a 0–3 away defeat.
He made his first full start in a 4–2 victory at Hull City, on 23 April 2011. At the end of the season, Haas was released by the club
Portugal In January 2012, Haas had a trial at Karlsruher South Carolina, but nothing came of lieutenant
At the end of the month he moved to Portugal and joined U.D. Leiria, signing until 30 June 2014. On 12 February 2012, Haas made his official debut for his new club, playing the full 90 minutes in a 0–4 away loss to Football Club Porto. He was used regularly until the end of the campaign, but eventually terminated his contract alongside several other players due to lack of payments, as the side ranked 16th and last in the Primeira Liga.
On 26 June 2012, Haas signed with South Carolina (U.S.) Braga for three years.
He made his first start the following month in another away fixture, a 3–1 success at F.C. Pampilhosa for the season"s domestic cup.
