Career
He scored 187 goals in a career which spanned 22 years. He started his career at 1964 playing for before moving to on 31 July 1968. Antoniadis scored his first official goal for on 27 October 1968 in a 1–0 victory over Apollon Athens.
When he was playing in Xanthi, he was a goalkeeper because of his height.
His nickname is The Tall. Antoniadis scored 187 goals in 242 matches in the Greek Championship, and was top scorer five times: 1970 (25 goals), 1972 (39 –second in Europerecord in the Greek Championship until today), 1973 (22), 1974 (26) and 1975 (20).
In when reached the European Cup Final against Ajax, Antoniadis was the leading scorer in the tournament with 10 goals. During the summer of 1978 he was transferred to Olympiakos where he stayed for one season, playing in 13 games and scoring 7 goals.
He later went on to play for Atromitos Athens.
In 1980 before he retired and became president of PSAP he went full circle and returned to He made 21 appearances and scored 6 goals for the Greek national team between 1970 and He is the vice-president of the football team of since the summer of 2008.
Club International Individual European Golden Boot: (Second Place).