10. Mitchell Langerak (Melbourne Victory > Borussia Dortmund)

The 22-year-old goalkeeper made the move to Germany after a breakthrough 2009/10 season with Victory where he starred in their 2010 AFC Champions League campaign.

Langerak may have only played one senior game for Dortmund since the move, but it was away to German giants Bayern and he was brilliant in a 3-1 win, BVB's first triumph away to the Bavarians in almost 20 years. The 2010 Harry Kewell medallist, who has impressed the BVB coaches by all reports, later got to celebrate the Bundesliga title with Dortmund, which is something few others can say they've done.

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9. Tommy Oar (Brisbane Roar > FC Utrecht)

As strange as it may seem, 19-year-old Oar is the only winner of the A-League Young Player of the Year award on this list. To be fair, Oar hasn't done a lot since his move from Brisbane to Utrecht in 2010, but he's certainly got the potential after bursting onto the scene in the A-League.

QAS product Oar, who was given the number 10 shirt by Utrecht, only managed eight first-team appearances in his debut campaign abroad, but that included game time against the likes of Liverpool, Celtic, PSV Eindhoven, Feyenoord and FC Twente which would make any teenager jealous.

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8. Dario Vidosic (Brisbane Roar > FC Nurnberg)

AIS-product Vidosic scored five goals during the 2006/07 A-League season prompting his move to Bavaria after a successful trial with Nurnberg.

Vidosic has since played a part helping Nurnberg win promotion to the Bundesliga in 2009 after some crucial goals at the back end of the campaign. The Croatia-born attacker has graduated into a regular Socceroo and was part of the Australia squad at the 2010 World Cup, although his Nurnberg career is at the crossroads.

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7. Nick Carle (Newcastle Jets > Genclerbirligi > Bristol City > Crystal Palace)

Carle, who is with Sydney FC nowadays, left the A-League in 2007 having just claimed the Johnny Warren medal after an outstanding campaign for the Jets. The midfielder jetted off for Turkey as he tried to push his claims for a regular Socceroos run.

During his time at Genclerbirligi, Carle was a regular but never settled, leaving after six months for English Championship club Bristol City. Carle had a successful stint with the Robins and you wonder where his career might be now had they not lost the 2008/09 play-offs final 1-0 to Hull City. Carle did become a regular Socceroo during his time in Europe, but missed the final cut for the 2010 World Cup squad and soon returned home after an average two-year stint at Crystal Palace.

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6. Fred (Melbourne Victory > DC United > Philadelphia Union)

The Brazilian is a bit different to the rest in this list as he's a foreigner, however he used the A-League to launch his career. Fred's unbelievable 2006/07 campaign with Melbourne Victory prompted his big-money move to the United States where he joined DC United.

In the USA, Fred made over 100 appearances in four seasons, lifting the 2007 MLS Supporters Shield given to the team with the best regular season record. The Brazilian had scored seven goals for United on their way to the Shield, before they crashed out in the playoffs. In 2008, Fred then scored the winner in the final of the US Open Cup to clinch more silverware for DC United.

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5. Joel Griffiths (Newcastle Jets > Beijing Guoan)

Griffiths left Australia for the Chinese capital on loan in 2008, having taken the A-League by storm during the 2007-08 season, guiding the Jets to the title, while claiming the Johnny Warren medal and Golden Boot awards in the same campaign.

The sometimes-controversial striker certainly made an impact in China, including a seven-week suspension for a inappropriate gesture to away fans, but he also guided Beijing to the 2009 Super League title. Griffiths' title success with Guoan shouldn't be underestimated, as it was the capital club's first ever league crown.

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4. Mile Jedinak (Central Coast Mariners > Genclerbirligi)

Jedinak was overlooked for an A-League contract in the league's inaugural season before joining the Mariners where he became a key member of the side during the 2007/08 season - and his fine form in 2008/09 earned him a January move to Turkey.

The Sydney-born midfielder's meteoric rise continued in the Turkish capital with Genclerbirligi where his regular appearances in the Super Lig made him a feature in Pim Verbeek's Socceroos squads. Jedinak, who also spent a season on loan at Antalyaspor, acquitted himself well in Turkey, becoming an Australian starter under Holger Osieck before scoring two crucial goals at the 2011 Asian Cup. The 26-year-old has now decided to leave Turkey and is searching for a new challenge in Europe.

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3. Nikita Rukavytsya (Perth Glory > FC Twente > KSV Roeselare > Hertha BSC)

The Ukraine-born striker was signed by Dutch club Twente from Glory for a reported $1.2m in one of the biggest ever A-League transfer deals. The move came about after scoring 10 goals for Glory during the 2008/09 season.

However, Rukavytsya initially struggled to make an impact at Twente, before being loaned out to Belgian club Roeselare where he scored five goals and earned a spot in Australia's 2010 World Cup squad. Rukavytsya returned to Twente as they won the Dutch title but was released, only to land at Hertha where he was a revelation with 12 assists as they won the German 2.Bundesliga and clinched promotion to the top flight. Two titles in two years and a few World Cup games, isn't too bad.

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2. David Carney (Sydney FC > Sheffield United > FC Twente > Blackpool)

Carney had spent time in Europe prior to his time at Sydney FC, but it was with the Sky Blues that he really launched his career. The NSWIS product spent two good seasons at Sydney and his fine form earned him a Socceroos run.

In fact, Carney became a key part of the Australia set-up during the 2007 Asian Cup before his move to Sheffield United, which started well but went wrong after falling out with boss Kevin Blackwell. Despite being frozen out at the Blades and moving on loan to Norwich, Carney remained a key Socceroo before his move to Twente in 2009. At Twente, Carney celebrated clinching the Eredivisie crown although a shoulder injury reduced his impact at the club.

Carney then moved onto Blackpool where he became the first Australian A-League export to play in the Premier League and while it didn't work out for him with the Tangerines, all the while he has cemented his place as a key Socceroo making almost 40 appearances in the green and gold and scoring several goals.

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1. Sasa Ognenovski (Adelaide United > Seongnam Ilhwa)

The big central defender spent several seasons in the A-League with Brisbane Roar and Adelaide United before winning his overseas move to Korean club Seongnam Ilhwa in 2009.

Having begun his Seongnam career at 30-years-old, Ognenovski definitely could never have imagined what was ahead. After a solid first season in Korea where he helped Seongnam reach the K-League final, Ognenovski then skippered the side on their incredible 2010 AFC Champions League journey.

Ognenovski would go onto score in the ACL final as Seongnam won 3-1 over Zob Ahan and, as skipper, he lifted the continental prize for his side. The Melbourne-born defender would also win the unbelievable personal accolade of 2010 AFC Player of the Year, becoming the first Australian to do so. Ognenovski also won the 2010 ACL MVP and eventually became a Socceroo under Holger Osieck, playing a key role as Australia made the final of the 2011 Asian Cup.