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

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

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 ...

The Sporting News breaks down the offside rule, how it is enforced and why it's a part of the game.

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 ...

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 ...