Chennaiyin FC defeated ATK Mohun Bagan 2-1 at the Vivekananda Yuba Bharati Krirangan in the Indian Super League in Kolkata on Monday. Kwame Karikari and Rahim Ali scored the goal as CFC came back from being a goal down, through Manvir Singh, to beat ATKMB. After Debjit Majumder made stunning saves, including a sharp one to his right to deny …