Wilfried Nancy has become the first Celtic manager to lose his opening two games in charge.
They were comfortably beaten 3-nil at home by Roma in the Europa League last night - with Evan Ferguson scoring twice for the visitors.
Elsewhere, Aston Villa beat Basel 2-1 and Nottingham Forest edged past Utrecht by the same scoreline.
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Callum O'Dowda provided the assist for the winner as Robbie Keane's Ferencvaros beat Rangers by two goals to one.