Australian national football team Socceroos player James Holland walks back following a friendly match against South Africa in Sydney on May 26, 2014. --IMAGE RESTRICTED TO EDITORIAL USE - STRICTLY NO COMMERCIAL USE-- AFP PHOTO / SAEED KHAN

Australian national football team Socceroos player Ivan Franjic observes the national anthem prior to a friendly match against South Africa in Sydney on May 26, 2014. --IMAGE RESTRICTED TO EDITORIAL USE - STRICTLY NO COMMERCIAL USE-- AFP PHOTO / SAEED KHAN

Australian national football team Socceroos player Mark Milligan observes the national anthem prior to a friendly match against South Africa in Sydney on May 26, 2014. --IMAGE RESTRICTED TO EDITORIAL USE - STRICTLY NO COMMERCIAL USE-- AFP PHOTO / SAEED KHAN

Australian national football team Socceroos player Jason Davidson observes the national anthem prior to a friendly match against South Africa in Sydney on May 26, 2014. --IMAGE RESTRICTED TO EDITORIAL USE - STRICTLY NO COMMERCIAL USE-- AFP PHOTO / SAEED KHAN

Australian national football team Socceroos player Mat Ryan observes the national anthem prior to a friendly match against South Africa in Sydney on May 26, 2014. --IMAGE RESTRICTED TO EDITORIAL USE - STRICTLY NO COMMERCIAL USE-- AFP PHOTO / SAEED KHAN

Australian national football team Socceroos player Tim Cahill observes the national anthem prior to a friendly match against South Africa in Sydney on May 26, 2014. --IMAGE RESTRICTED TO EDITORIAL USE - STRICTLY NO COMMERCIAL USE-- AFP PHOTO / SAEED KHAN

Photo taken on May 23, 2014 shows a portrait picture of Australian Socceroos football player Adam Sarota posing during the team's official presentation in Sydney. AFP PHOTO/Peter PARKS IMAGE RESTRICTED TO EDITORIAL USE - STRICTLY NO COMMERCIAL USE

Photo taken on May 23, 2014 shows a portrait picture of Australian Socceroos football player Alex Wilkinson posing during the team's official presentation in Sydney. AFP PHOTO/Peter PARKS IMAGE RESTRICTED TO EDITORIAL USE - STRICTLY NO COMMERCIAL USE

Photo taken on May 23, 2014 shows a portrait picture of Australian Socceroos football goalkeeper Mark Birighitti posing during the team's official presentation in Sydney. AFP PHOTO/Peter PARKS IMAGE RESTRICTED TO EDITORIAL USE - STRICTLY NO COMMERCIAL USE

Photo taken on May 23, 2014 shows a portrait picture of Australian Socceroos football player Ben Halloran posing during the team's official presentation in Sydney. AFP PHOTO/Peter PARKS IMAGE RESTRICTED TO EDITORIAL USE - STRICTLY NO COMMERCIAL USE

Photo taken on May 23, 2014 shows a portrait picture of Australian Socceroos football player Bailey Wright posing during the team's official presentation in Sydney. AFP PHOTO/Peter PARKS IMAGE RESTRICTED TO EDITORIAL USE - STRICTLY NO COMMERCIAL USE

Photo taken on May 23, 2014 shows a portrait picture of Australian Socceroos football player Massimo Luongo posing during the team's official presentation in Sydney. AFP PHOTO/Peter PARKS IMAGE RESTRICTED TO EDITORIAL USE - STRICTLY NO COMMERCIAL USE

Australia's Mile Jedinek looks on during an International friendly football match between Australia and Ecuador at The Den in south London on March 5, 2014 . AFP PHOTO/IAN KINGTON

Australia's Mile Jedinek looks on ahead of an International friendly football match between Australia and Ecuador at The Den in south London on March 5, 2014 . AFP PHOTO/IAN KINGTON

Australia's Tim Cahill looks on during an International friendly football match between Australia and Ecuador at The Den in south London on March 5, 2014 . AFP PHOTO/IAN KINGTON

Australia's Tim Cahill looks on during an International friendly football match between Australia and Ecuador at The Den in south London on March 5, 2014 . AFP PHOTO/IAN KINGTON

Australia's Tim Cahill gestures during an International friendly football match between Australia and Ecuador at The Den in south London on March 5, 2014 . AFP PHOTO/IAN KINGTON

Australia's Jason Davidson controls the ball during an International friendly football match between Australia and Ecuador at The Den in south London on March 5, 2014 . AFP PHOTO/IAN KINGTON

Australia's Curtis Good looks on ahead of an International friendly football match between Australia and Ecuador at The Den in south London on March 5, 2014 . AFP PHOTO/IAN KINGTON

Australia's Maty Ryan looks on ahead of an International friendly football match between Australia and Ecuador at The Den in south London on March 5, 2014 . AFP PHOTO/IAN KINGTON