![Oliver McCall had boxing's greatest chin, beat Lennox Lewis to become champion, was never knocked down and prime Mike Tyson needed him for tough sparring sessions Oliver McCall had boxing's greatest chin, beat Lennox Lewis to become champion, was never knocked down and prime Mike Tyson needed him for tough sparring sessions](https://talksport.com/wp-content/uploads/sites/5/2020/07/NINTCHDBPICT000596974064.jpg?strip=all&w=960&quality=100)
Oliver McCall had boxing's greatest chin, beat Lennox Lewis to become champion, was never knocked down and prime Mike Tyson needed him for tough sparring sessions
![Oliver McCall had boxing's greatest chin, beat Lennox Lewis to become champion, was never knocked down and prime Mike Tyson needed him for tough sparring sessions Oliver McCall had boxing's greatest chin, beat Lennox Lewis to become champion, was never knocked down and prime Mike Tyson needed him for tough sparring sessions](https://talksport.com/wp-content/uploads/sites/5/2020/07/NINTCHDBPICT000596974039.jpg?strip=all&w=960&quality=100)
Oliver McCall had boxing's greatest chin, beat Lennox Lewis to become champion, was never knocked down and prime Mike Tyson needed him for tough sparring sessions
![Oliver McCall had boxing's greatest chin, beat Lennox Lewis to become champion, was never knocked down and prime Mike Tyson needed him for tough sparring sessions Oliver McCall had boxing's greatest chin, beat Lennox Lewis to become champion, was never knocked down and prime Mike Tyson needed him for tough sparring sessions](https://talksport.com/wp-content/uploads/sites/5/2022/01/NINTCHDBPICT000705935956.jpg?strip=all&w=960&quality=100)
Oliver McCall had boxing's greatest chin, beat Lennox Lewis to become champion, was never knocked down and prime Mike Tyson needed him for tough sparring sessions
![Oliver McCall had boxing's greatest chin, beat Lennox Lewis to become champion, was never knocked down and prime Mike Tyson needed him for tough sparring sessions Oliver McCall had boxing's greatest chin, beat Lennox Lewis to become champion, was never knocked down and prime Mike Tyson needed him for tough sparring sessions](https://talksport.com/wp-content/uploads/sites/5/2020/01/NINTCHDBPICT000558713034.jpg?strip=all&w=960&quality=100)
Oliver McCall had boxing's greatest chin, beat Lennox Lewis to become champion, was never knocked down and prime Mike Tyson needed him for tough sparring sessions
![Boxing Archive on Twitter: "Former WBC heavyweight champion Oliver McCall. The iron-chinned McCall claims to have never been down sparring or in a fight, amateur or pro. This reportedly includes more than Boxing Archive on Twitter: "Former WBC heavyweight champion Oliver McCall. The iron-chinned McCall claims to have never been down sparring or in a fight, amateur or pro. This reportedly includes more than](https://pbs.twimg.com/media/E4K0gl6XEAc3Cbg.jpg)
Boxing Archive on Twitter: "Former WBC heavyweight champion Oliver McCall. The iron-chinned McCall claims to have never been down sparring or in a fight, amateur or pro. This reportedly includes more than
Boxing History - "The Atomic Bull" Oliver McCall has a crying fit during his 1997 rematch with Lennox Lewis in Las Vegas, Nevada. McCall paced back and forth crying, with his trainer
![Oliver McCall had boxing's greatest chin, beat Lennox Lewis to become champion, was never knocked down and prime Mike Tyson needed him for tough sparring sessions Oliver McCall had boxing's greatest chin, beat Lennox Lewis to become champion, was never knocked down and prime Mike Tyson needed him for tough sparring sessions](https://talksport.com/wp-content/uploads/sites/5/2020/07/NINTCHDBPICT000596974066.jpg?strip=all&w=960&quality=100)