I followed a PGA Tour trainer’s strength routine. The results shocked me

david sundberg trains xander schauffele in the gym

David Sundberg works with PGA Tour pros, such as Xander Schauffele (pictured) and Patrick Cantlay.

Courtesy of David Sundberg

Zephyr Melton

Zephyr Melton is an assistant editor for GOLF.com where he spends his days blogging, producing and editing. Prior to joining the team at GOLF, he attended the University of Texas followed by stops with the Texas Golf Association, Team USA, the Green Bay Packers and the PGA Tour. He assists on all things instruction and covers amateur and women’s golf. He can be reached at zephyr_melton@golf.com.