Lawyer Wieschemann lectured the variety of types of contracts and problems that have developed in the transfer action with football players and basketball players for the Manager of the basketball Bundesliga on October 4, 2009 in Oldenburg on the edge of the Beko BBL Champions Cup 2009 on. The special interest of the Manager of the BBL was clubs while understandably the question of the protection of contractual stability, which are required for the enforcement of transfer payments, which are used to finance the cost of the training of young players. But also on many labour issues within the current Treaty, a lively debate is inflamed.