Defender who played professionally from 1984-2003, debuting for Motherwell and moving around to several clubs, including Raith Rovers and Albion Rovers.
He played youth soccer for Gartcosh United.
In 1994-1995, he played for Clydebank.
He was born in Larkhall, Scotland.
Defender Colin Miller joined Ayr United in 1998, the year after McStay departed.