It's common for pro golfers to wear pins, buttons or ribbons on their hats and visors, but Phil Mickelson attached a binder clip to his black KPMG hat at this week Royal Troon.

Maybe Phil Mickelson was onto something with that binder clip. You know, the one he wore during the 2016 British Open to give his hat a snugger fit in windy conditions. "I know it looks terrible ...