Offside is one of soccer’s most confusing rules, but the basic idea is simple once you know what referees are looking for.

The flag is up! We explain what that means and why one of soccer's most important rules is also one of the toughest to see live.

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The Women’s World Cup is back again, which means one of the most controversial calls in sports has also returned. The offside rule has caused some of the most frustrating moments ever in soccer and is the bane of some fans' existence. Offside is often ...

Japan's goal against Spain was a point of controversy during the 2022 World Cup Elsa/Getty Images New technology introductions at the 2026 World Cup mean officials will be able to check whether the ball has gone out of play in the buildup to a goal.