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

The offside rule is confusing for those watching soccer (world football) for the first time. It can be even more confounding ...

Even though it's fairly straightforward, soccer's offside rule can be confusing for casual fans. And even controversial at times. The United States had two goals called back for o ...

Offside is one of those rules that constantly draws attention because of how inconsistently it gets reviewed. Plus, there are times when the violation is completely obvious, yet none of the referees ...

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.

Marginal offside calls, aided by technology, have been widely criticized in the FIFA World Cup 2026 for sucking the immediacy ...

Offside calls are some of the most controversial ones in soccer. Here’s a detailed look at the rules ahead of the 2026 FIFA World Cup.

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 ...

A sensor inside the World Cup ball detected a touch no one could see, and it ended Croatia's tournament in stunning fashion.

COVENTRY, ENGLAND - JULY 30: A linesman flags for offside during the pre-season friendly between Coventry and Everton at The Coventry Building Society Arena on July 30, 2024 in Coventry, England.