Brighton manager Roberto De Zerbi talks after his side fell to a 3-2 defeat against AEK Athens in their first ever Europa League game
Suggested for you
David Moyes talks after West Ham's 3-1 win over TSC Backa Topola in the Europa League.
Hartson: Shoddy defending has let Celtic down
26 November 2015
Former Celtic striker John Hartson says that Celtic's problems in the Europa League this season have all stemmed from their defence.