OAKMONT, Pa. – Driver testing for characteristic time, or CT, became a headline at last month’s PGA Championship when Rory McIlroy’s driver was deemed nonconforming just days before the year’s second ...

The USGA has no concerns over rules compliance at this week's US Open despite Scottie Scheffler and Rory McIlroy's drivers failing tests last month, CEO Mike Whan said Wednesday. Scheffler and McIlroy ...

OAKMONT, Pennsylvania, June 11 (Reuters) - The United States Golf Association (USGA) said on Wednesday it has no plans to publish results or change protocols for driver testing after clubs belonging ...

Mike Whan said the situation around Rory McIlroy’s driver at the PGA Championship made him “more committed” to keeping test results quiet. OAKMONT, Pa. — Drivers have been tested this week at the U.S.

Brandon Holtz needed to get his old driver back at the Masters. The only issue was that it was at the USGA Museum. The post ...

In our robot testing at tour speeds, one prototype ball lost 17-22 yards versus a currently conforming ball. A second ...