Mersin İdmanyurdu (also Mersin İdman Yurdu, Mersin İY, or MİY) Sports Club; located in Mersin, east Mediterranean coast of Turkey in 2001–02. It was the first season in Turkish football league system that a single group second division was introduced with name of Second League Category A. The continuation of Turkish Second Football League was renamed as Second League Category B which was lowered to third layer accordingly. The team took place in first season of this division for the first time, and in Second League for 28th time since its foundation in 1963–64. Mersin İdmanyurdu S.K. has finished Second League Category B Promotion Group at second place in 2001–02 season and promoted to 2002–03 TFF First League.