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 ...

VAR reviews for offsides are becoming more frequent Florencia Tan Jun/Getty Images Get free access to the most comprehensive World Cup coverage in The Athletic app. Offside calls generating ...

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

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 ...

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 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.