Rory McIlroy, Scottie Scheffler’s drivers failed tests. Are YOU playing an illegal driver?

Rory McIlroy and Scottie Scheffler's drivers failed conformance tests at the PGA Championship. Could YOU be using an illegal driver and not know it?
Golf Channel

Scottie Scheffler reveals he, too, failed driver test before PGA victory

Turns out, it wasn’t just Rory McIlroy who failed a driver test earlier this week at Quail Hollow. The eventual PGA champion did, too. Scottie Scheffler confirmed that his driver also was deemed ...