Complex sentence: Robert Duff "Bob" Mauchline is a Scottish former professional football player who played as an outside left for Heart of Midlothian, before joining English clubs Blackpool, Barrow and Accrington Stanley in the Football League.
Split into simpler sentences: Robert Duff "Bob" Mauchline is a Scottish-born former footballer who played as an outside left for Heart of Midlothian. He later played for English sides Blackpool, Barrow and Accrington Stanley in the Football League.