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

This everything you need to know about the World Cup’s offsides rule.

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

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

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 ...

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 watch soccer a lot, it can be a tricky rule to understand. It depends on ...

As one of the European powers at the 2026 FIFA World Cup, Portugal barely survived a thrilling battle with 2018 finalists ...

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 ...

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