Piwowar makes super start with two stoppage victories
He made his debut at the New Era ABC in Manchester, knocking opponent J Wood down twice in the opening round.
The referee finally stopped the contest in the second round after Wood was sent to the canvas by a solid right-hand.
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Hide AdPiwowar followed this up with an even more impressive display at Birmingham International Boxing Academy against A Reilly.
On the offensive straight from the off, Piwowar dropped his opponent with a left hook to the body.
Reilly made the count but a solid combination from Piwowar saw Reilly down for the second and final time.
Coach Brian Carron said: “What was so impressive about Mario was not only his strength but his technical ability.
“I am sure this is just the beginning.”