The news of Rory McIlroy’s driver being ruled nonconforming for exceeding the spring-like effect prior to the start of this week’s PGA Championship has spread like wildfire since first being reported ...

While Lucas Glover may believe there’s some bait-and-switch shenanigans happening during driver testing on tour, the PGA Tour seems certain there is not. That said, the tour remains committed to a ...

DeChambeau spoke with SI about driver testing and how often he's asked to submit, while several of his fellow LIV golfers say there are flaws with the system. During the practice days at the recent ...