The tall 21 year old centre back was brought in by chance from non-leaguers Hampton and Richmond Borough at the back end of last season and was not ready for a first team place.
Now training with first team players such as Phil Jagielka, Michael Tonge and Michael Brown the English born defender plans to work is way into the Blades starting line-up.
As part of the deal for Sestanovich to come to Bramall Lane the Blades have agreed to play former club Hampton & Richmond Borough, this will take place next Thursday on 24th July 2003 in Hampton.