Arsenal's defeat to Barcelona at the Camp Nou was not without incident, and referee Massimo Busacca was at the end of stinging criticism from Arsene Wenger and Robin van Persie following the match.
The north London club were furious with some of the decisions made by Busacca and Wenger believed his side would have progressed had it not been for the decision to send Van Persie off for time wasting.
