Complex sentence: Possee also played in the Football League for Millwall, Crystal Palace and Leyton Orient, before spending three seasons in the North American Soccer League with the Vancouver Whitecaps, helping them to win the Soccer Bowl in 1979.
Split into simpler sentences: Possee also played in the Football League for Millwall, Crystal Palace and Leyton Orient. Possee then spent three seasons in the North American Soccer League with the Vancouver Whitecaps, helping them to win the Soccer Bowl in 1979.