By Will Griffee For Mailonline
Published: 12:36 BST, 12 October 2019 | Updated: 13:45 BST, 12 October 2019
Deontay Wilder has dismissed Oleksandr Usyk's chances of becoming heavyweight champion as he is 'too small'.
The Ukrainian fights Chazz Witherspoon in his debut at the top weight on Saturday night in Chicago.
He will retain mandatory challenger status for Andy Ruiz or Anthony Joshua's WBO belt with victory and is looking to shake up the division.
Deontay Wilder does not think Oleksandr Usyk will be a threat to his heavyweight title
But Wilder, who is four inches taller than Usyk, thinks the lack of physicality will