Union in an official statement wrote: "Brenden Aaronson joined 1. FC Union Berlin on loan from relegated Premier League side Leeds United in the last summer transfer window, winning the hearts of Union fans with his dashing style of play, his speed and, not to forget, his decisive goal against TSG 1899 Hoffenheim. After 38 appearances, two goals and two assists, his time in Berlin has come to an end and he is returning to England."