Padraig Harrington gets into rules debate thanks to a moth (!)

Perhaps you’ve heard of The Butterfly Effect? It’s the chaos theory where a small change in one place (something as small as the flap of a butterfly’s wings) can lead to a larger unpredictable change somewhere else. Well, Padraig Harrington saw a variation of that theory seemingly play out (somewhat literally) on Friday at the European Tour’s Portugal Masters.