He eventually earned a professional contract in Belgium when he signed with Royal Antwerp, however he failed to make a single appearance and was released after less than a year.
Blades boss Neil Warnock considered that it was in his and their best interests to loan him out to other clubs to gain some first team experience, and so during the 2003–04 season he signed for Conference National side Scarborough.
His time with the club was relatively successful, helping them reach the fourth round of the FA Cup, where they narrowly lost 1–0 at home to Premier League side Chelsea 1–0 in a televised game.
The boyhood Arsenal fan told the BBC at the time, "I met Thierry Henry when I was filming an advert for a Nike commercial in Rome and I played the part of his body double.
In 2006, Sestanovich was arrested and charged with conspiracy to rob from a roofing firm in South London in June 2005 that resulted in the murder of a man who was shot in the chest during the raid.
[6] In April 2007, he was found guilty and sentenced to eight years in prison which subsequently ended his professional football career after Grays terminated his contract.