Australian boxing star Tim Tszyu has announced his arrival on the international stage with a unanimous points decision over Terrell Gausha in his much-anticipated US debut in Minneapolis.

Tszyu was dropped in the opening round before recovering to win over the trio of American judges and claim a brave victory in his all-or-nothing world title eliminator on Saturday night (Sunday AEDT).

The Sydneysider’s hard-earned victory leaves him on track for a world-title shot at the winner of the May 14 unified rematch between American Jermell Charlo and Argentina’s Brian Castano.

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