The unforgettable centre-back of the Beşiktaş JK played for the Black Eagles from 1984 to 1996 with 14 goals in 336 league matches. He netted the decisive goal against Trabzonspor that brought home the League title in 1986. His consistent defensive performance made him an indispensible player for the Turkish national team, earning him 40 international caps. Keskin became a manager soon after retiring in 2001.