Complex sentence: In addition to an eighteen year career in the Football League (consisting of 494 league games), he also enjoyed a nine year international career he won fifteen Welsh caps, and scored once, in a friendly against Scotland.
Split into simpler sentences: In addition to an eighteen year career in the Football League (consisting of 494 league games), he also enjoyed a nine year international career. He won a total of fifteen Welsh caps, and scored once, in a friendly against Scotland.