Sharing his conversation with Jasprit Bumrah during India's tour of Australia in 2018-19, pacer Ishant Sharma said, "I asked Bumrah about his opinion on my bowling in T20s...Bumrah said, 'You should develop a slow seam delivery'." "I [worked on this] and learnt the knuckleball from Bhuvneshwar Kumar," he added. Ishant dismissed GT's Vijay Shankar with a knuckleball in IPL 2023.