Chennai Super Kings' Noor Ahmad bowls a delivery during the Indian Premier League cricket match between Chennai Super Kings and Mumbai Indians in Chennai.

Chennai Super Kings' captain Ruturaj Gaikwad, left, and Mumbai Indians' captain Suryakumar Yadav shake hands after the coin toss before the Indian Premier League cricket match between Chennai Super Kings and Mumbai Indians in Chennai.

Mumbai Indians' Ryan Rickelton bats during the Indian Premier League cricket match between Chennai Super Kings and Mumbai Indians in Chennai.

Chennai Super Kings' Khaleel Ahmed, center, celebrates with teammates after the dismissal of Mumbai Indians' Rohit Sharma during the Indian Premier League cricket match between Chennai Super Kings and Mumbai Indians in Chennai.

Mumbai Indians' Ryan Rickelton is bowled out by Chennai Super Kings' Khaleel Ahmed during the Indian Premier League cricket match between Chennai Super Kings and Mumbai Indians in Chennai.

Chennai Super Kings' Khaleel Ahmed, right, celebrates the dismissal of Mumbai Indians' Ryan Rickelton during the Indian Premier League cricket match between Chennai Super Kings and Mumbai Indians in Chennai.

Mumbai Indians' captain Suryakumar Yadav bats during the Indian Premier League cricket match between Chennai Super Kings and Mumbai Indians in Chennai.

Mumbai Indians' Tilak Verma plays a shot during the Indian Premier League cricket match between Chennai Super Kings and Mumbai Indians in Chennai.

Chennai Super Kings' Ravichandran Ashwin, left, celebrates with teammate Mahendra Singh Dhoni the dismissal of Mumbai Indians' Will Jacks, right, during the Indian Premier League cricket match between Chennai Super Kings and Mumbai Indians in Chennai.

Chennai Super Kings' Noor Ahmad, left, celebrates the dismissal of Mumbai Indians' Tilak Verma, right, during the Indian Premier League cricket match between Chennai Super Kings and Mumbai Indians in Chennai.

Mumbai Indians' Deepak Chahar bats during the Indian Premier League cricket match between Chennai Super Kings and Mumbai Indians in Chennai.

Artistes perform a dance wearing costumes with lights during the half-time break in the Indian Premier League cricket match between Chennai Super Kings and Mumbai Indians in Chennai.

Mumbai Indians' Trent Boult bowls a delivery during the Indian Premier League cricket match between Chennai Super Kings and Mumbai Indians in Chennai.

Chennai Super Kings' fans hold a large banner showing Mahendra Singh Dhoni during the Indian Premier League cricket match between Chennai Super Kings and Mumbai Indians in Chennai.

Mumbai Indians' Deepak Chahar, second right, celebrates the dismissal of Chennai Super Kings' Rahul Tripathi during the Indian Premier League cricket match between Chennai Super Kings and Mumbai Indians in Chennai.

Chennai Super Kings' captain Ruturaj Gaikwad bats during the Indian Premier League cricket match between Chennai Super Kings and Mumbai Indians in Chennai.

Chennai Super Kings' Rachin Ravindra bats during the Indian Premier League cricket match between Chennai Super Kings and Mumbai Indians in Chennai.

Chennai Super Kings' captain Ruturaj Gaikwad celebrates after scoring fifty runs during the Indian Premier League cricket match between Chennai Super Kings and Mumbai Indians in Chennai.

Mumbai Indians' Vignesh Puthur, right, and captain Suryakumar Yadav celebrate the dismissal of Chennai Super Kings' captain Ruturaj Gaikwad during the Indian Premier League cricket match between Chennai Super Kings and Mumbai Indians in Chennai.

Mumbai Indians' Vignesh Puthur celebrates the dismissal of Chennai Super Kings' Shivam Dube during the Indian Premier League cricket match between Chennai Super Kings and Mumbai Indians in Chennai.

Mumbai Indians' Will Jacks celebrates the dismissal of Chennai Super Kings' Sam Curran during the Indian Premier League cricket match between Chennai Super Kings and Mumbai Indians in Chennai.

Chennai Super Kings' Rachin Ravindra celebrates after scoring fifty runs during the Indian Premier League cricket match between Chennai Super Kings and Mumbai Indians in Chennai.

Chennai Super Kings' Mahendra Singh Dhoni steps out to bat during the Indian Premier League cricket match between Chennai Super Kings and Mumbai Indians in Chennai.

Chennai Super Kings' Rachin Ravindra bats during the Indian Premier League cricket match between Chennai Super Kings and Mumbai Indians in Chennai.

Mumbai Indians' Trent Boult, left, and Chennai Super Kings' Mahendra Singh Dhoni have a chat after Chennai Super Kings won the Indian Premier League cricket match against Mumbai Indians in Chennai.