Another worry is the middle order in which Robin Uthappa and Riyan Parag haven't been able to impress much.
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In bowling department, Jofra Archer brings the much needed good spells, and a lot depends on Tom Curran, Ankit Rajpoot, and Shreyas Gopal.
MI doesn't have much to worry, it all seems to be working fine for the Rohit Sharma-led side.
Hardik and Pollard are smashing every other ball, and now Quinton de Kock has also joined the party.
In all probability, Mumbai would go as favourites into this clash.
IPL 2020, Match 20: MI vs RR Pitch report
The pitch at Sheikh Zayed Stadium favours bowlers, especially spinners in middle overs. In all likelihood, both teams would prefer chasing at this ground as dew could playa key role.
(C), Saurabh Tiwary, Chris Lynn, Anmolpreet Singh, Suryakumar Yadav, Krunal Pandya, Hardik Pandya, Kieron Pollard, Anukul Roy, Prince Balwant Rai, Sherfane Rutherford, Jasprit Bumrah, James Pattinson, Nathan Coulter-Nile, Trent Boult, Dhawal Kulkarni, Rahul Chahar, Jayant Yadav, Mitchell McClenaghan, Quinton de Kock, Ishan Kishan, Aditya Tare, Digvijay Deshmukh and Mohsin Khan.
Steve Smith (C), David Miller, Manan Vohra, Riyan Parag, Robin Uthappa, Shashank Singh, Yashasvi Jaiswal, Ben Stokes, Mahipal Lomror, Shreyas Gopal, Tom Curran, Anuj Rawat, Jos Buttler, Sanju Samson, Akash Singh, Andrew Tye, Aniruddha Joshi, Ankit Rajpoot, Jaydev Unadkat, Jofra Archer, Kartik Tyagi, Mayank Markande, Oshane Thomas, Rahul Tewatia, Varun Aaron.