The A-League club have been forced to order thousands more jerseys adorned with their new former England striker's name after the initial batch sold out within days
The former England forward had been without a club after leaving Aston Villa in the summer before choosing to rejuvenate his career down under in a switch that has brought much excitement to Aussie fans.
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The coach told Fox Sports of Heskey: "He ticks all the boxes, in a footballing sense, with his ability and experience ... and from a commercial and marketing point of view. He's going to be a great fit.
"We are obviously all hoping he is going to be ready to go. From my understanding, he's been training at Wigan and has kept himself in really good nick.
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Heskey's new team-mate, Swiss defender Dominik Ritter, voiced his delight at the big names heading to the A-League and the chance to play alongisde the ex-Three Lions man.
"When I came here, I didn't know much about Australian football," Ritter declared. "Then a couple of weeks ago, Del Piero signed [for Sydney] and everyone from Switzerland, my family and friends, all texted me saying how great it was.
"Now Emile Heskey is coming to play with me and my team. It's very, very exciting."