The former Greek international center announced after the game that he would be continuing his career at Khimki in Russia.
"I had some fantastic days at PAOK - I really enjoyed my basketball here," he said. "Maybe our paths will cross again in the future."
Papadopoulos said he was disappointed with the state of basketball in Greece, particularly in the level of violence and lawlessness among fans. He said he would not let his children go to watch games.
PAOK are fourth on 27 points after their win on Sunday while AEK are third from bottom with 21 points.
Maroussi beat Kavala 76-63 to move up to third on 28 points. Kavala have 26 in sixth.
In his last game for Maroussi, forward Nestoras Kommatos scored 26 points. He looks set for a move to Turkey.
Woeful Iraklis suffered another heavy defeat as they went down 72-57 at home to Peristeri.
Iraklis remain rooted to the bottom of the A1 League with 20 points. Peristeris are in mid-table with 25.
