Career
He is 1.91 m (6 ft 3 in) tall. He can play point guard or shooting guard. Papantoniou began his professional career in the 2007-2008 season with the Greek League club Maroussi.
After two seasons, he moved to AEK Athens.
He then moved to Ilysiakos. He joined Peristeri in 2011.
He moved to Kolossos in 2013. Papantoniou returned to AEK Athens in 2014.
On August 18, 2015 Papantoniou, extended his contract with AEK Athens for another two years.
2008 Albert Schweitzer Tournament: 01 !.