Since joining forces with swing coach Butch Harmon last year, Rickie Fowler's golf swing has undergone some pretty drastic changes.
Rickie used to get the club really outside and shut on his backswing, which would leave his arms in a very flat position at the top of his swing. As Butch's son, Claude, explains below, it made it hard for Rickie to do anything other than draw the ball, which is why he made the change.
But it didn't happen overnight: It's been an incremental process that's taken the better part of a year. Twitter user @Jat54Golf does a good job charting that progression in this video: