Scores are lower because golf attracts better athletes than ever and much of the advances trace back to Tiger Woods.
DeChambeau resurfaces at Oak Hill, leads PGA Championship
PGA TOUR CONFIDENTIAL - Sports Illustrated Vault
Jonas Blixt takes first-round lead at John Deere Classic
20-year-old wins PGA Tour event; can't collect prize money
Destination Golfer Upper Midwest May 2021 by Varsity
PGA Tour strikes $3 billion deal with Fenway-led investment group
Sobel's 2020 Shriners Hospitals for Children Open Preview and
Nick Dunlap shoots 60, takes 3-shot lead in search of PGA Tour's first amateur victory since 1991
Here's why scores have been so low during the PGA Tour restart and why the trend will likely continue, Golf News and Tour Information
Koepka a tough customer on a tough day to lead PGA Championship
Koepka a tough customer on a tough day to lead PGA Championship