Elano Blumer and John Stiven Mendoza inspired Chennaiyin FC to a thumping 5-1 win against fancied Mumbai City FC with a brace each at the Jawaharlal Nehru Stadium in Chennai tonight. Jeje Lalpekhlua also got onto the score sheet for the hosts while Syed Rahim Nabi notched a consolation.. “It would have been impossible to …