"In my view, the behaviour of Liverpool fans over the last six seasons has, on the whole, been good," said Hogan-Howe on the Merseyside Police's website.
"However, as with any club, there are occasional incidents leading to arrests for crime and disorder. But again, this is the exception rather than the rule.
"In terms of the venue, we believe the stadium was not suitable for a high profile football match.
"What we then saw on the night was a minority of selfish supporters who forced their way into the ground, denying access to genuine fans with tickets.
"They put people's safety in jeopardy and tarnished the reputation of genuine football fans.
"Football governing bodies need to look closely at the lessons learned from this game in Athens, both in terms of ticket allocation and venue suitability."