Dustin Johnson – 2015
Dustin Johnson made his lone appearance atop this list in 2015 when he averaged 317.7 yards. He won the WGC-Cadillac Championship and posted two T-2 finishes, including at the U.S. Open.
Sports blog information from USA TODAY.
This is the list of the longest drivers on the PGA Tour, which started tracking the stat in 1980. The list is through the 2018-19 season.
Dustin Johnson made his lone appearance atop this list in 2015 when he averaged 317.7 yards. He won the WGC-Cadillac Championship and posted two T-2 finishes, including at the U.S. Open.