Dustin Johnson has made the surprise decision to split from swing coach Claude Harmon, less than two weeks away from the US Open.

Dustin Johnson's runner-up finish to Brooks Koepka at the PGA Championship on Sunday was just the latest of a number of near misses.

He nearly let it slip, but Brooks Koepka was able to shrug off a string of bogeys and successfully defend his PGA Championship title.

Dustin Johnson is seven shots behind friend and fellow American Brooks Koepka as the PGA Championship heads in to Sunday.

Not even a final-round capitulation at the RBC Heritage on Sunday could prevent Dustin Johnson from staying on top of the world rankings.

Dustin Johnson will take a slender one stroke lead into the final round of the RBC Heritage on Sunday.

Shane Lowry kept his nose in front at the PGA Tour's weather-disrupted RBC Heritage, though he wasn't able to complete his second round.

Dustin Johnson admits he finds it frustrating and disappointing to only have one major victory to his name, but is intent on changing that.

Paul Casey will carry a one-shot lead into the final round of the PGA Tour's Valspar Championship in Florida.

Dustin Johnson had one particularly high-profile congratulator after his impressive five-stroke win at the WGC-Mexico Championship.