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.

The beautiful game would be very ugly if offside didn't exist. At the World Cup you'll see it often.

PHILADELPHIA - Offside can feel confusing at first, but the rule is meant to stop attacking players from gaining an unfair advantage near the opponent’s goal. In soccer, a player is in an offside ...

One hundred years ago today, at a meeting at 22 Rue de Londres, Paris, association football — soccer — changed forever. The International Football Association Board voted that Law 11 of the game, the ...

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 ...

World Cup soccer is back again, which means one of the most controversial calls in sports is returning, as well. The offside rule has caused some of the most frustrating moments ever in soccer and is ...

Arsene Wenger, FIFA’s chief of global football development, is championing a major change to football’s offside law. The former Arsenal manager first proposed his “daylight” rule in 2020, aiming to ...

How can a player be offside when the ball has been played to them by an opposition player? You can understand why fans might be confused, especially so for West Ham's 'goal' on Tuesday night, ...