In the latest episode of Stick to Football, Gary Neville, Roy Keane, Jamie Carragher and Ian Wright were discussing the highs and lows of European football. Celtic and Rangers were mentioned by the quartet, with the obvious of what the atmosphere is like at both Parkhead and Ibrox on European nights. Gary Neville remembered one of the great nights in Celtic’s history when the legendary Shunsuke Nakamura scored a stunning free-kick against Manchester United in 2006, before Artur Boruc’s memorable penalty save. But the former Manchester United right-back claimed that, whilst the atmosphere at Ce…