[1] After his injuries kept him from maintaining his form, Papazoglou lost coach Mazinho's confidence and was sold to fellow Superleague side PAOK FC.

[2] At the end of the 2013–14 season, Papazoglou terminated his contract with OFI Crete in order to move to Olympiakos, but only played in friendly games for the latter.

[11] On 28 July 2017, Papazoglou joined Norwegian Eliteserien side Aalesunds FK on loan from Kortrijk for the rest of the season.

A week later Papazoglou helped Aalesunds gain a point in the last minute of the game in a 1–1 home draw against Viking FK.

[13][14] On 26 July 2018, he made his first appearance for Hapoel coming in as a substitute and scoring the only goal in a 1–1 draw against Fimleikafélag Hafnarfjarðar in the Europa League.

[19] On 8 January 2020, Voluntari mutually agreed to terminate the contracts of four players: Athanasios Papazoglou, Constantin Nica, Avtandil Ebralidze and Martin Harrer.

On 29 March 2016, Papazoglou made his full debut for the Greece national team in a 2–3 home loss against Iceland, coming in as a substitute.