Mersin İdmanyurdu had relegated from Turkish First Football League in 1973–74 season.

Results of games MİY played in 1974–75 Second League Red Group by rounds: Friendly game during half-season: 1974–75 Turkish Cup was played for the 13th season as Türkiye Kupası by 22 teams.

Top ten first division teams from previous season participated.

Mersin İdmanyurdu did not participate in 1974–75 Turkish Cup because they had finished previous season at 15th place.

1974–75 Mersin İdmanyurdu head coaches: Stats are counted for 1974–75 Second League matches.