Olympic Sports -Athletics ; Non-Olympic Sports - Roller Hockey (Quad)
football is the most successful sport in the world
The most successful sport in the Olympics is hockey.
Football
The most popular sport in Portugal is futebol (also known as football or soccer in other areas of the world).
Football is the main sport in Portugal.
soccer Football of course.
swimming
It is football at Portugal.
association football rugby union
brazil is the most successful but spain is the most dominant
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Soccer.