Kalfin was born on August 20, 1948. He started his career at Pera Club FC, a team of ethnic Greeks in Istanbul, Turkey. In 1970, he moved on to Galatasaray and, in May 1971, he came to Greece. He played in Greece for Panachaiki until 1980, accumulating 210 league appearances and 2 goals. Afterwards, he also played for Achaiki FC in the B Division.