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.

Croatia thought they had forced extra time against Portugal, but a faint touch detected by FIFA's Connected Ball Technology triggered an offside decision that ended their World Cup 2026 campaign ...

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

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

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

There have been a bunch of goals already taken back at the 2026 FIFA World Cup due to offside rules. And for those who don't ...

FIFA is evaluating a potential offside rule change inspired by Arsène Wenger, as Gianni Infantino outlines broader refereeing ...

Learn World Cup football rules fast with simple explanations of offside, stoppage time, free kicks vs penalties, tiebreakers, the five-second throw-in rule and why brands are hidden in stadiums ...

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 ...