In 1991 he changed codes to play rugby league in the United Kingdom.
[10] Stoop was also selected to play for invitational side the South African Barbarians on seven occasions.
[6] In 1991 Stoop moved to the United Kingdom, changed codes and joined rugby league team Wigan.
During a two-season stay at Wigan, Stoop made 16 appearances before joining London Crusaders.
[11] After a single season at London, Stoop joined Keighley Cougars in August 1994.