Rory McIlroy's tee shot slipped off the green, prompting him to toss his club in clear dismay.
At a pre-tournament equipment inspection for the PGA Championship in Charlotte, NC, nearly 50 players had their drivers scrutinized for safety limits.
A radio broadcast on Friday revealed that McIlroy’s driver did not meet the sanctioned guidelines, barring its use at Quail Hollow.
This routine check prevents the use of equipment that fails to match required limits.
His priority now is refining his game to meet championship standards.
Players remain alert too.
