 In contrast to the rest of the world where "behind closed doors" games are given out as penalties for previous violations or to prevent potential violence (stadium safety issues, checkered history of rival supporters), such occurrences in North America have happened for entirely different reasons.After rioting by fans in the first leg against Castilla in Spain, West Ham United were forced to play the second leg at Upton Park in October 1980 to an empty stadium.After rioting by fans in a semifinal at Anderlecht in Belgium the previous April, Aston Villa were forced to begin their defence of the European Cup at an empty Villa Park in September 1982, with the match kicking off at 2