Germany captain Dennis Schroder faced racial abuse during his team's 107-88 victory over Lithuania at EuroBasket on Saturday. German officials said two were identified and ejected from the arena in Finland.
The Blues had agreed a loan deal with Bayern potentially worth up to £69.2million ( 80m) for Jackson, who was given given permission to fly to Bavaria to complete his transfer.
Sacramento Kings point guard Dennis Schroder scored 26 points as Germany beat Lithuania 107-88 to become the first team to qualify for the final 16 of EuroBasket on Saturday.