David Nyika claims he feels like a different boxer after over two years under trainer Noel Thornberry.

The Kiwi cruiserweight's set to fight American Tommy Karpency in Auckland tomorrow night, after original opponent Aussie Blake Caparello tested positive for elevated testosterone levels 10 days out from the fight.

Nyika says he's reverted to his natural strengths, notably endurance and the ability to break opponents down. 

D'Arcy Waldegrave catches up with former All Black Liam Messam who is fighting on the undercard. 

LISTEN ABOVE

David Nyika claims he feels like a different boxer after over two years under trainer Noel Thornberry. 
The Kiwi cruiserweight's set to fight American Tommy Karpency in Auckland tomorrow night, after original opponent Aussie Blake Caparello tested positive for elevated testosterone levels 10 days out from the fight. 
Nyika says he's reverted to his natural strengths, notably endurance and the ability to break opponents down.  
D'Arcy Waldegrave catches up with former All Black Liam Messam who is fighting on the undercard.  
LISTEN ABOVE

Join Newstalk ZB's D'Arcy Waldegrave as we kick start your Saturday Morning with The All Sport Breakfast.

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