Complex sentence: Born in Kirkintilloch, Dunbartonshire, Storrie began his career at Airdrie, making his debut in the 1957--58 season, before being signed by Don Revie for Leeds United as a proven goalscorer for a fee of £15,000 in 1962.
Split into simpler sentences: Born in Kirkintilloch, Dunbartonshire, Storrie began his career at Airdrie. He made his debut in the 1957--58 season, before being signed by Don Revie for Leeds United as a proven goalscorer for a fee of £15,000 in 1962.