Rory McIlroy's recent victory at Pebble Beach has proven Billy Horschel's forecast spot on ... you look at what Rory has done in the game of golf, he deserves to win golf's Grand Slam.

When Billy Horschel ... viral, Horschel told the fans to “shut the hell up.” Horschel had an important message to deliver to Cozby. “I said, I love this event. I love the golf course.