Pat Calathes has announced his retirement from competitive basketball at the age of 31.

The forward informed basketball reporter David Pick of his decision, which Pick announced on Twitter.

The older brother of Panathinaikos guard Nick Calathes has graduated from FIBA’s agent course and will be joining Kappa Sports Management agency.

He played for Maroussi, Kolossos Rodou, Panathinaikos, Maccabi Haifa, Astana, and Pallacanestro Cantù.