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 ...

Offside is one of soccer’s most confusing rules, but the basic idea is simple once you know what referees are looking for.

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 ...

The ball goes into the net, the crowd cheers, but then the assistant referee's flag goes up. The celebrations end. What happened? The play was offside. Offside is one of soccer's most important ...

Every four years, there's going to be a surprising amount of pushback against the offside rule in soccer (world football).

Barcelona defender Inigo Martinez has noted that it is not always down to the defenders when their high offside line is beaten by opponents. Martinez has been praised for his marshalling of the ...