Saints boss Stephen Robinson believes Celtic target Dylan Reid is already in the perfect place to develop as a player.
The Scotland under-17 international has been drawing admiring glances from clubs since breaking into the St Mirren first team, with Benfica long-term admirers along with the Hoops and latterly Rangers.
Ange Postecoglou's side have had an initial six-figure bid accepted, with Reid understood to have spoke with the Glasgow giants on Monday.
