His rivals can run but they can't hide as Jeff Fenech predicts nobody will stop Tim Tszyu from becoming a world boxing champion. Fenech was in awe commentating from ringside as Tszyu methodically and mercilessly picked apart Stevie Spark to extend his undefeated record to 19 fights, with his 15th knockout victory on Wednesday night. Done with Australian challengers, Tszyu is eyeing the big boys of his division - a Liam Smith, Magomed Kurbanov, Tony Harrison or Danny Garcia - before hopefully taking on the winner of Sunday week's unified super-welterweight world title bout between Jermell Charlo and Brian Castano. His rivals can run but they can't hide as Jeff Fenech predicts nobody will stop Tim Tszyu (right) from becoming a world boxing champion