Novice fans don’t understand it. Longtime fans claim to understand it, but then openly disagree about it. Referees and their assistants are trained to spot it, but often have to turn to replays to ...

The offside rule is one of the most fundamental principles of professional soccer. While seemingly straightforward in theory, however, it remains a consistent source of controversy and debate, often ...

The vignette of Aston Villa’s back four, heads tilted towards the assistant referee with one arm raised, is common. Trapping opposition attackers offside has become Villa’s fisherman’s net. It catches ...

In France’s first match of the 2020 European Championship, the team beat Germany 1-0. The team won thanks to an own goal from Germany’s Mats Hummels. However, it could have been 3-0 if two goals, one ...