Celtic record buy Arne Engels will be desperate to continue his excellent form against RB Leipzig tomorrow night as the Bhoys look to take a step closer to Champions League progression. The Belgium international claimed two assists against Aberdeen on Saturday as the Bhoys sailed through to the Premier Sports Cup final, and is now primed for another shot on the Champions League stage after his impressive early innings. With Arne Engels brought to Celtic for £11 million in the summer, there is an argument to say he was acquired with pressure on his shoulders to shine on the elite stage. Despite…