Investigating Why Rory McIlroy’s Driver Was Non-Conforming
← Golf Gameplay & Rules | Advanced Golf Rules and Situations BLOCKQUOTE_0 Quick Answer Rory McIlroy’s driver was found to be non-conforming because its face exhibited a “spring-like effect” exceeding the legal limits set by golf’s governing bodies, the R&A and USGA. This means the clubface was too “hot,” potentially transferring more energy to the…