If you were a young men growing like me in the mid 80s to mid 90s, Mike Tyson definitely had an influence on you. His stuff his legend. There are no boxers/mma fighters with that kind of impact. Floyd Mayweather and Jon Jones are roses next to that beast. Will there ever be another one?
Here is a solid 12 seconds of a young Mike Tyson training. Watch the speed.
Here is some extra. Interviews, training, all good stuff.