Dustin Johnson and Hideki Matsuyama survived another demanding day at Olympia Fields, both scratching out a one-under 69 to share the lead Saturday at the BMW Championship.
The birdie-eagle ending to Dustin Johnson's round Saturday at The Northern Trust gave him a 7-under 64 and stretched his lead to five shots in the FedEx Cup playoffs opener.
Brooks Koepka's off-hand comment belittling his friend's sole major victory could result in motivation or humiliation for Dustin Johnson at the PGA Championship.