In Pictures: 5 highest run-getters in IPL 2017
Rohit Sharma-led Mumbai Indians clinched the IPL trophy for a third time.
Mumbai Indians had lost all the three matches against Steve Smith's side in the league stages.
Tripathi's story started with going for the trials held by IPL franchise Rising Pune Supergiant (RPS) at the DY Patil Stadium in Mumbai.
Mumbai leg-spinner Karn Sharma took four wickets to bowl out KKR for a paltry 107 in 18.5 overs.
Delhi are currently at the eighth spot with only two wins in their eight games so far.
Rohit shone with a 37-ball 56 in Mumbai's five-wicket thrashing of Royal Challengers Bangalore.
Krunal, however, managed to dismiss his bunny AB de Villiers for the fourth time in a row.
RCB skipper Kohli won the toss and elected to bat against Mumbai Indians.
The defending champions are in firm contention to seal a berth for the play-offs.