American Brooks Koepka has won the PGA Championship in the past two years, including last year's win at Bethpage in New York
. The PGA Championship, one of the four major events of golf, has been postponed due to the coronavirus outbreak.
The tournament was scheduled to take place May 11-17 at TPC Harding Park in San Francisco, California.
It comes after the Masters, which would begin on April 9 at Augusta National in Georgia. , was called off last week.
"Procrastination is the best decision for everyone involved," said PGA President Seth Waugh.
"During our evaluation process, we have been committed to following the guidelines of public health authorities.
" This reflects a thoughtful process. We are working and working with [PGA Tour] Commissioner Jay Monahan and our partners and friends on the PGA Tour to find an alternative date that works for everyone. We are all very hopeful for a great result.
"We are also in dialogue with [San Francisco] Mayor [London] Breed and her team and look forward to hopefully bringing the 2020 PGA Championship to TPC Harding Park on a date this summer when it's safe and is responsible to do so. "
Four other events on the PGA Tour have been canceled; the RBC Heritage – which should have been played the week after the Masters – New Orleans' Zurich Classic, the Wells Fargo Championship and the Byron Nelson event.
It means that no American men's golf is planned until the week of May 18 at the earliest.
The next European Tour event is the Andalucia Open on April 30. The first lady major of the year, the ANA Inspiration, was also canceled on Friday.