CHENNAI: Mumbai Indians (MI), probably the biggest under-achievers of the five-year-old IPL, are now seriously looking at revamping their team for the sixth edition. It's understood that the team management has released at least six players from the roster - a mix of Indian and foreign players. Some of the players rumoured to have been released by MI are Richard Levy, Thissara Perrera, Davey Jacobs, Aiden Blizzard and Clint McKay.