Brenden Aaronson’s decision to return to Leeds United has already set the tone for a potentially interesting summer regarding the loan army. In the wake of relegation just over a year ago, Leeds lost eight members of their first team squad on loan as a result of clauses that were inserted into contracts by the previous ownership regime. Over the course of the last 12 months, only Luis Sinisterra and Robin Koch were able to agree permanent moves elsewhere, leaving the future of six other players uncertain. However, Aaronson has moved quickly to put to bed any speculation on his future by agreei…