Qatar has signed up as a "platinum" sponsor of Bayern Munich, adding Germany's richest and most successful soccer club to the range of football brands it backs. Doha's state-owned Hamad International Airport agreed a "long-term" contract to sponsor Bayern Munich, Akbar Al Baker, chief executive officer of Qatar Airways, who also oversees the hub, said at a press briefing Wednesday.The value and duration of the deal weren't disclosed. Hamad becomes one of 10 second-tier partners backing FC Bayern, winner of a record 25 German national titles, alongside airline rival Deutsche Lufthansa AG and brands including Deutsche Post's DHL and Goodyear Tire & Rubber Co. Deutsche Telekom AG remains the club's kit sponsor, with its "T" logo emblazoned on the front of players' shirts.