Someone keeps pranking Webb Simpson at the U.S. Open

Someone is pranking Webb Simpson at the U.S. Open, and they're doing it 100 percent the right way.

According to Simpson, he's been greeted with a different name on his locker each day he shows up at Chambers Bay. And the culprit isn't just taking a piece of tape and scrawling something clever on it with a Sharpie. No, she or he is putting up a brand-new, shiny placard each time.

On Tuesday, there was a shout-out to two-time NBA champ LeBron James:

On Wednesday, a nod to gravity-defying former hoops star Spud Webb:

For Thursday, a famous children's book:

And Friday, a mashup with undefeated boxing champ Floyd 'Money' Mayweather:

Saturday's nameplate went into cyberspace:

And Sunday's strong finish was downright money: