Three-peat? 3 straight bogeys leave Koepka in neutral at PGA

Bogey, bogey, bogey.

This was not what Brooks Koepka had in mind when he was thinking about three in a row at the PGA Championship.

Now, if he's going to become the first player to three-peat at the PGA since Walter Hagen did it in the 1920s, he'll have ...