a) Chris Gayle
b) Kieron Pollard
c) Joe Root
d) Steve Smith
West Indies ODI and T20I skipper Kieron Pollard became the third batsman in the history of international cricket to hit six 6s in an over on March 3, 2021. With the six 6s, he joined Herschelle Gibbs and Yuvraj Singh, who are the only two cricketers to have achieved the feat previously.