Atromitos On 29 January 2018, he signed a -year contract with
Super League club
Atromitos. On 10 March 2018, he scored his first goal with the club in a 2–2 away draw against
Panionios. On 31 October 2018, he scored a hat-trick as he scored with a head beyond the flailing goalkeeper. Two minutes after half time, Kotsopoulos then made it 2–0 for Atromitos, sliding a low cross over the line, and secured his hat trick to complete a resounding 6–1 away
Greek Cup win against
Iraklis. It was his first hat trick in his career. After a short stint in
Finland with
IFK Mariehamn in 2023, Kotsopoulos returned to Greece and signed with
Kalamata in January 2024. ==References==