Terry Antonis

Antonis began his football career at St Christopher's Soccer Club in Bankstown before moving to Sydney Olympic and Marconi. Antonis signed a five-year contract with Everton at just 14 years of age, but his contract was terminated due to FIFA's rule prohibiting the overseas transfers of players under the age of 18.

Sydney FC

On 22 June 2010, Antonis made his debut for Sydney in a friendly game against Macarthur Rams at Campbelltown Stadium. On 5 July 2010, Sydney signed him to a three-year contract. Antonis made his competitive debut for Sydney FC in a 2–1 loss to Wellington Phoenix on 11 September 2010. Antonis scored his first goal for Sydney FC on 16 February 2013 against Adelaide United. After rupturing a muscle in his thigh, Antonis was out for 9 months, which thwarted his move overseas. In February 2014, he scored against Perth Glory in his first game since returning from injury.

Speculation and trials

After signing with Sydney FC, he was linked with possible moves to Everton, Inter Milan and Marseille. Much of the speculation was based on his close personal ties with Everton and Socceroo star Tim Cahill, further sparked by a 25-minute cameo in a friendly match for Sydney FC against Everton at ANZ Stadium on 10 July 2010. In February 2012, Antonis reiterated his commitment to Sydney FC and the remainder of his three-year contract, stating that he was more than happy being at the club. In April 2012, Antonis travelled to Germany to trial with Bundesliga club Borussia Mönchengladbach as a potential replacement for Roman Neustadter. but was not signed. At the conclusion of the 2012–13 season, Antonis was approached by Dutch club FC Utrecht for a trial, but signed a four-year deal with Italian Serie A club Parma instead after Parma triggered a release clause in his…

Antonis was part of the final squad for the 2015 AFC Asian Cup but he did not get any actual game time during the tournament. On 23 December 2015, Antonis was included to Australia U-23 national team manager's Aurelio Vidmar selections for Olympic Games 2016 qualifiers, which took place in Doha.

Antonis was born in the suburb of Bankstown, Sydney, and is of Greek descent. His brother George Antonis is also a professional soccer player. He first received media attention in Australia at the age of 10 by winning a football talent competition on the Channel 7 television show Today Tonight, which resulted in a trip to Madrid to make a training skills DVD with David Beckham. Frank Farina, former Socceroos coach and judge of the Channel 7 competition said: "His juggling is very good, he pulled out a squash ball and started juggling that and didn't drop it once, he is very impressive." He also obtained a sponsorship from Adidas because of his exceptional juggling skills. Former Australian international Alex Tobin described him as "one of the most outstanding young players that I have seen" and "of immense talent without a doubt." He has also been touted as natural successor to Tim Cahill and Brett Holman in the Australian national team. Antonis holds both an Australian and Greek passport.