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

Offside is one of those rules that constantly draws attention because of how inconsistently it gets reviewed. Plus, there are ...

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.

Learn World Cup football rules fast with simple explanations of offside, stoppage time, free kicks vs penalties, tiebreakers, ...

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 ...