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.

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 ...

Here's what you need to know about offside, why it exists and how it will be implemented at the 2026 World Cup.

LOS ANGELES — The World Cup is underway n the United States, Canada and Mexico. With World Cup fever picking up, many fans are new to the game and are learning the rules. Few rules in sports create ...

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

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 ...

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 ...