The law governing its modern application has 45 clauses and runs to more than 1,000 words. A former Premier League referee ...

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

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

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 ...

Florian Wirtz’s goal for Liverpool on Sunday highlighted the biggest problem with the Premier League’s implementation of semi-automated offside technology. Florian Wirtz scored his second goal of the ...

The offside law exists to prevent attackers from standing behind the defense and waiting for a long ball. Without it, football would be a sport of punt-and-chase, with strikers camped on the ...

Soccer, otherwise known as football, is a relatively simple sport. Eleven players play on each team who, aside from the goalkeeper, can't touch the ball with their hands and must put the ball in the ...