South African De Kock was the wrecker-in-chief as he hammered six fours and four sixes in his 52-ball knock and got able support from skipper Rohit Sharma (47 off 32 balls), who made a comeback after missing out the last Mumbai game due to a leg injury.
A late cameo from Hardik Pandya (28 off 11 balls), in which smashed three sixes and one fours ensured Mumbai neared the 190-run mark.
Earlier, Rohit and De Kock took the opposition attack to the cleaners as the two added 96 for the first wicket. They started the onslaught in the third over amassing 18 runs with the South African hitting a six and four off Krishnappa Gowtham.
Then Rohit ripped apart pacer Dhawal Kulkarni, striking three fours, including a splendid cover drive, as Mumbai gathered 14 runs from it.
De Kock kept playing shots at will even as Mumbai reached 57/0 after Powerplay period. Then De Kock dispatched spinner Liam Livingstone for two sixes over deep mid-wicket as runs came thick and fast. He raced to his fifty in 34 balls.
Rohit, who struck six fours and a lone six, threw his wicket away giving a sitter to Jos Buttler off Jofra Archer.
And then Rajasthan made a good comeback removing Surya Kumar Yadav (16) and Kieron Pollard (6) to reduce the hosts to 136/3.
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