The emergence of India's under-19 cricketers as match-winners or game-changers has already been a hallmark of IPL 2020. On Wednesday night, Kolkata Knight Riders beat Rajasthan Royals by 37 runs largely due to the contributions made by Shubman Gill (47) and pacers Shivam Mavi (2/20) and Kamlesh Nagarkoti (2/13).