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 ...

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 law governing its modern application has 45 clauses and runs to more than 1,000 words. A former Premier League referee ...

One hundred years ago today, at a meeting at 22 Rue de Londres, Paris, association football — soccer — changed forever. The International Football Association Board voted that Law 11 of the game, the ...

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 ...

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 ...

For the tournament, we are taking a look at the major incidents to examine and explain the process in terms of both VAR ...

In the hectic final minutes of the Croatia vs. Portugal World Cup round of 32 match, a controversial call negated a potential ...

The next wave of soccer’s rule evolution arrived on the Eastern side of the Atlantic on Saturday, as the new “Daylight Offside” rule allowed a goal for the first time in the Canadian Premier League.