AEK Athens eliminated Scottish champion Celtic in the third round of Champions League qualifying on Tuesday.
Portuguese club Benfica and Ukraine's Dynamo Kiev were among other teams to reach the next round.
AEK beat Celtic 2-1 in Greece on Tuesday thanks to goals from Rodrigo Galo and Marko Livaja, to secure a 3-2 win on aggregate. Scott Sinclair responded with a goal for Celtic.
Celtic's James Forrest, right, reacts at the end of a Champions League third qualifying round, second leg, soccer match between AEK Athens and Celtic at the Olympic stadium in Athens, Tuesday, Aug. 14, 2018. (AP PhotoPetros Giannakouris)
Celtic reached the Champions League group stage in the last two seasons, but the defeat continues a difficult start to the season for Brendan Rodgers' team following a 1-0 loss to Hearts in the Scottish league on Saturday.
Benfica earned a 2-1 aggregate win over Turkish team Fenerbahce, while Dynamo Kiev beat Slavia Prague 3-1 over the two legs.
AEK Athens' Alef, left, and AEK Athens' Andre Simoes, right, chase down Celtic's Olivier Ntcham, center, during a Champions League third qualifying round, second leg, soccer match between AEK Athens and Celtic at the Olympic stadium in Athens, Tuesday, Aug. 14, 2018. (AP PhotoPetros Giannakouris)