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The Dynamos would look to forget a disappointing last season, when they finished eighth.
Diego Carlos and Corominas were sent off late in the match as both teams finished the game with just 10 men.
Mumbai City have started the season in an unimpressive fashion - with a 2-0 loss at home to Jamshedpur FC, followed by an away 1-1 draw against Kerala Blasters.
Pune are languishing at the ninth spot in the league table after picking up just a solitary point from their first two away games.
A late first-half brace by Sunil Chhetri was topped off by a trademark Miku goal to register maximum points in their first away trip of the season.
For Mumbai, Modou Sougou and Rafael Bastos were on target.
A lacklustre start to the season which saw the Stallions fall to two defeats and a draw cost head coach Portugal his job.
Diego Carlos scored an 88th minute equaliser to ensure that Pune City add a point to their tally.
Pune's interim coach Pradhyum Reddy has made four changes to his side that lost to Bengaluru FC.
Pune have been a pale shadow of the team that made it to the play-offs last season.
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