He played five seasons for the club of Livadeia, where he became the captain of Greece U19, before earning a transfer to AEK Athens in the summer of 1993 for 50 million drachmas.
Speed, endurance, spirited play, good crosses and excellent balance in defensive and offensive tasks, were his main characteristics.
After these events he announced his departure from the national team alongside Nikolaidis and Atmatsidis, as a protest against refereeing in Greek football.
[4] The greatest moment of Kasapis' career was the call by Johan Cruyff to the Europe XI on 7 November 1995 at the Camp Nou, when in a match for charity where he played with footballers such as Maradona, Romário, Stoichkov and Zubizarreta.
In 1999 he withdrew the national team with Demis Nikolaidis and Ilias Atmatsidis, as a protest for refereeing situation that prevailed at the time in Greece.