Career
Korkmaz played as a defender, and was known for his fighting spirit and professional approach to the game. A product of Galatasaray South.K."s youth system, Mert is the younger brother of club legend Bülent Korkmaz (also a defender), having himself played there from 1993-1997. He went on to represent Kocaelispor, Gaziantepspor, Malatyaspor and İstanbul Büyükşehir Belediyespor, retiring in 2008.
Korkmaz was capped five times by Turkey.