Former Germany international Manuel Friedrich will be the vice-captain of the team co-owned by Bollywood star Ranbir Kapoor and Chartered Accountant Bimal Parekh.
The team has the likes of ex-Arsenal legend and former Sweden skipper Freddie Ljungberg, ex-Borussia Dortmund star Friedrich and French international and 2008-09 Premier League golden boot winner Nicolas Anelka.
Under the stewardship of ex-Everton icon Peter Reid, the club is determined to make a winning start to their campaign against one of the contenders for the crown in their home ground.
"From the couple of weeks I have worked with the team, I have found him (Nabi) a natural leader, good communicator and a bubbly character within the dressing room. I think Nabi has great experience and knowledge of the game. Manuel Friedrich would be the vice-captain," Reid added.
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In the run up to the lung opener, Mumbai City FC has had a long pre-season camp to help the foreign and Indian players gel together and understand the strengths and weaknesses of each other. The team won all four of the friendlies they played.
Among the team's star recruits, Ljungberg might play his part in the match on Sunday after recovering enough from a niggle he suffered during practice.
"Hopefully, Freddie will get to play his part in the game," Reid said.