Tim Tszyu's return to the ring has been put on ice with his world-title fight against American Vergil Ortiz Jr. cancelled on medical advice.
Tszyu was set to return to the United States to fight on a blockbuster card in Los Angeles on August 3 (local time) headlined by pound-for-pound king Terence Crawford.
The clash with undefeated knockout specialist Ortiz was for the WBA super welterweight interim world title, with Tszyu taking preparations off-shore and training with his legendary father Kostya in Thailand this month.