Cricket's LBW Rule Was Written to Stop Batters Using Their Legs

The Laws of Cricket were first codified in 1744, but they said nothing about a batter deliberately blocking the ball with their body. Within a generation, batters had worked out a logical exploit: stand a foot outside the crease, intercept the ball on your pad before it reached the stumps, and walk away without risk. It was entirely legal.

The Marylebone Cricket Club added Law 36 — Leg Before Wicket — to the 1774 code in direct response. The original wording was clumsy: a batter was out LBW if they "put their leg before the wicket with a design to stop the ball." The word "design" mattered — a batter still had to be judged to have done it deliberately, which made decisions maddeningly subjective.

Over the next two centuries, the MCC revised the law repeatedly to remove that subjective element. By 1980, the law reached something close to its modern form: the ball must pitch in line with or outside off stump, must be making contact with the batter in line with the stumps, and must be going on to hit the wicket. The batter cannot be out LBW to a ball that pitches outside leg stump — a protection retained from the original intent.

HawkEye ball-tracking technology was first used in international cricket for LBW reviews in 2008, predicting whether the ball would have hit the stumps. It brought objective precision to a law that spent 234 years resisting it.