Wallabies star Quade Cooper has maintained his unbeaten record as a professional boxer with a knockout victory on Friday night in Adelaide.
The Queensland Reds playmaker floored Jack McInnes in the second round of their undercard bout ahead of Anthony Mundine's fight against Danny Green.
Cooper now has three consecutive wins in his pro career - all by knockout - after out-muscling an opponent more renowned for his mixed martial arts skills.
McInnes, who had also been knocked out in his previous two pro boxing fights, was felled by several consecutive head punches from Cooper, who will now return to preseason rugby training with the Reds.
Tim Tszyu, the son of hall of famer Kostya Tszyu who unified three world titles, also won his bout on the undercard.
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Middlweight Tim Tszyu made it two consecutive victories in his professional career after notching 33 wins and one loss in his amateur one.
The 22-year-old stopped South Australian Mark Dalby in the third round of their bout, winning by a TKO after pounding his opponent from the outset.
And former AFL player Shane Tuck won the opening fight of the night, defeating Ivan Kolar in a points decision.
Tuck, the son of Hawthorn great Michael Tuck, claimed a unanimous points win against Kolar in his second pro bout.
Tuck, a cruiserweight, was knocked out in his professional debut in November 2015.
