Herbert said the selection of the 20-year-old Roux, who has started all four A-League matches this season for Central Coast, also increased pressure on incumbent players.
"Storm is playing in the A-League for a side that has done exceptionally well in the competition," he said. "He's come into the ...competition champions and secured a starting spot.
Central Coast coach "Graham Arnold speaks highly of him," Herbert said. "He's athletically a player who can get forward and he will put pressure on the likes of Tony Lochhead and Leo Bertos because he's able to play down both sides. I've also been impressed with his one-on-one defending as well."
Herbert said New Zealand was fortunate to have the experience of playing in an intercontinental qualifying playoff. In 2010, New Zealand qualified for the finals by beating Bahrain 1-0 in Wellington after the teams drew 0-0 in the Bahrain capital Manama.
He said Mexico would be aware of the importance of the home leg.
"The home fixture is ultra-important and after watching them against Finland move numbers forward quickly (in a 4-2 win) I'm sure they'll try to set the tie alight and score goals in that first leg," Herbert said. "That presents a strong challenge for us but also a good one. If we can be tight and very resolute we can put ourselves in a position to showcase our talents at home in the second leg."
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New Zealand squad:
Goalkeepers: Glen Moss, Jacob Spoonley, Tamati Williams.
Defenders: Andrew Durante, Tony Lochhead, Winston Reid, Storm Roux, Ben Sigmund, Tommy Smith, Bill Tuiloma, Ivan Vicelich.
Midfielders: Leo Bertos, Aaron Clapham, Jeremy Christie, Craig Henderson, Chris James, Michael McGlinchey.
Forwards: Kosta Barbarouses, Jeremy Brockie, Rory Fallon, Marco Rojas, Shane Smeltz, Chris Wood.