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

The offside law exists to prevent attackers from standing behind the defense and waiting for a long ball. Without it, football would be a sport of punt-and-chase, with strikers camped on the ...

The Women’s World Cup is back again, which means one of the most controversial calls in sports has also returned. The offside rule has caused some of the most frustrating moments ever in soccer ...