Seventeen-year-old Daniel De Silva, left, has been called up to the provisional Asian Cup squad. Source: Getty Images

Perth Glory’s 17-year-old Daniel de Silva is the youngest member of the extended group, which retains each member of the 23-man World Cup squad.

In total 16 A-League players have been named for the squad, with Luke Brattan (Brisbane Roar), Nathan Burns (Wellington Phoenix), Bernie Ibini-Isei (Sydney FC) and Carl Valeri (Melbourne Victory) among the home-based inclusions.

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While major injuries prevented Robbie Kruse, Rhys Williams and Josh Kennedy from playing in the World Cup, they will also get their chance.

The challenge now for Postecoglou is who to cut and who to keep in his final 23-man line-up for the tournament on home soil. Four uncapped players get the nod — de Silva, Brattan, Josh Risdon and Mustafa Amini.

Kennedy’s selection is a surprise given his injury-plagued season, with Melbourne City boss John van ‘t Schip saying on Sunday he didn’t expect him to be selected.

After injuries played a big part in his World Cup squad selection choices, Postecoglou said he was very happy with the extended group, a month out from the Asian Cup.

“We wanted to name a big enough pool to have depth in all the areas,” he said.

“A lot of players that have been part of the journey so far and others we wanted to give some encouragement to.

“There is opportunity for all 46 players to push their claims for inclusion.”

Luke Wilkshire’s international career looks to be over after he missed selection for the squad.

ANGE’S ASIAN CUP SQUAD Mustafa Amini (Borussia Dortmund, Germany), Terry Antonis (Sydney FC), Aziz Behich (Bursaspor, Turkey), Oliver Bozanic (Luzern, Switzerland), Luke Brattan (Brisbane Roar), Mark Bresciano (Al Gharafa, Qatar), Joshua Brillante (Fiorentina, Italy), Nathan Burns (Wellington Phoenix), Tim Cahill (New York Red Bulls, USA), Jason Davidson (West Brom, England), Daniel De Silva (Perth Glory), Adam Federici (Reading, England), Ivan Franjic (Torpedo Moscow, Russia), Eugene Galekovic (Adelaide United), Ben Halloran (Fortuna Dusseldorf, Germany), Chris Herd (Aston Villa, England), James Holland (Austria Vienna, Austria), Bernie Ibini-Isei (Sydney FC), Mile Jedinak (Crystal Palace, England), Brad Jones (Liverpool, England), Tomi Juric (Western Sydney), Josh Kennedy (Nagoya Grampus, Japan), Robbie Kruse (Bayer Leverkusen, Germany), Mitchell Langerak (Borussia Dortmund, Germany), Mathew Leckie (Ingolstadt, Germany), Massimo Luongo (Swindon Town, England), Ryan McGowan (Shandong Luneng Taishan, China), Matt McKay (Brisbane Roar), Mark Milligan (Melbourne Victory), Aaron Mooy (Melbourne City), Mitch Nichols (Perth Glory), Tommy Oar (Utrecht, Netherlands), Josh Risdon (Perth Glory), Nikita Rukavytsya (Western Sydney), Mat Ryan (Club Brugge, Belgium), Trent Sainsbury (PEC Zwolle, Netherlands), Brad Smith (Liverpool, England), Matthew Spiranovic (Western Sydney), Adam Taggart (Fulham, England), Nikolai Topor-Stanley (Western Sydney), James Troisi (Zulte Waregem, Belgium), Carl Valeri (Melbourne Victory), Dario Vidosic (Sion, Switzerland), Alex Wilkinson (Jeonbuk Hyundai, Korea), Rhys Williams (Middlesbrough, England), Bailey Wright (Preston, England).