Rory McIlroy and Scottie Scheffler's drivers failed conformance tests at the PGA Championship. Could YOU be using an illegal ...

CHARLOTTE, N.C. (AP) — Rory McIlroy was part of roughly 50 players whose drivers were tested before the PGA Championship, ...

Why was Rory McIlroy's driver non-conforming, what is the process for testing on tour and what does it all mean? Let's ...