Last Updated on 23 Jan 2022 8:46 am (UK Time) With “Iron” Mike Tyson sitting ringside, Francis Ngannou’s corner could be heard reminding him to use the “Mike Tyson head movements.” It was a reference to the “bob-and-weave” tactics made famous by legendary trainers Teddy Atlas and Cus D’Amato in the early ’80s. Ngannou would …