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

Even though it's fairly straightforward, soccer's offside rule can be confusing for casual fans. And even controversial at times. On Thursday night, Croatia had a potential game-tying goal disallowed ...

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.

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 ...

As the World Cup approaches, one of soccer’s most elusive phrases will pop up again and again on televisions across the country. You’ve heard it, you may claim to understand it, but what exactly is ...

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 ...

Offside is one of soccer’s most debated rules, especially when a goal is called back. A player can be in an offside position without actually committing an offside offense. The call usually depends on ...