Woods Penalized for Illegal Ball Drop at Augusta - The New York Times
History and Rules of Dropping Golf Balls – The Ohio Golf Journal
Rules changes - Expertgolf
20 Rules for '19: #19 - Drop Ball from Knee Height
Dropping
How Do I Stop Drop Kicking The Golf Ball? – The Annika Academy
The new golf “drop” rule that Bryson DeChambeau called 'absurd'
2021 Golf Fundraiser - Golf Ball Drop for Website (12) - Central Florida Dreamplex
Drop Zone - GOLF Podcast
Golf Ball Drop by helicopter
Twitter 上的 GOLF.com:"6: The new rule states that a player's only requirement is that the ball must be at knee height when dropping and must not touch any part of a player's
2nd Annual Drone Golf Ball Drop Fundraiser – Wood County Museum
New USGA Knee-Height Ball Drop Rule Quivers Some Golfers – African American Golfer's Digest
Rickie Fowler considers a new drop technique that is a wonder to behold – GolfWRX
USGA's Thomas Pagel explains impetus for Rules of Golf's new knee-height drop | Golf Channel