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 ...

Even though it's fairly straightforward, soccer's offside rule can be confusing for casual fans. And even controversial at ...

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 is ...

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 ...

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 ...

This World Cup has prompted some questions we simply can't answer for you. Can anyone stop Messi? Does Merlin the duck like wearing that jersey? What happens if the Congo's statue fan has to sneeze?

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