Both Taiwo Awoniyi and Chuba Akpom hit target again in the UEFA Conference League for their respective clubs.
Awoniyi came off the bench to score his first goal in the group stage of the competition as Union Berlin stopped Maccabi Haifa.
He also scored twice in the qualifying series.
Akpom netted his second goal for PAOK in a 1-1 draw with Slovan Bratislava.
Akpom and Anderson Esiti started for PAOK, while for the Slovak club Ezekiel Henty was on from the first whistle and Rabiu Ibrahim and Uche Agbo were on the bench.
Union Berlin are now third in Group E with three points after two matches, a point behind leaders Feyenoord.
PAOK are second in Group F with four points, two points behind Feyenoord, who top the standings on six points.
Slovan Bratislava are third on a point.
