Complex sentence: Martyn Campbell is a part-time footballer currently playing for Ayr United, who also works for George Wimpey, Martyn's brother Mark, now playing for Raith Rovers in Kirkcaldy had also played for Ayr after signing from Stranraer.
Split into simpler sentences: Martyn Campbell is a part-time footballer currently playing for Ayr United. Campbell's brother Mark, now playing for Raith Rovers in Kirkcaldy had also played for Ayr after signing from Stranraer.