Dustin Johnson had arthroscopic surgery on Thursday morning to repair cartilage damage in his left knee and is expected to be back for fall events on the PGA Tour, his agent said.
Johnson, 35, who won his 20th PGA Tour title earlier this year, had the surgery performed by Dr. George Caldwell in Fort Lauderdale, Florida.
The procedure "is considered routine and similar in nature to his prior right knee surgery in December of 2011,'' agent David Winkle said.
Ranked No. 3 in the world, Johnson had an unusually poor latter half of the 2018-19 season that saw him finish no better than 20th in eight starts following a runner-up finish at the PGA Championship to Brooks Koepka.