There was a major caddie shakeup before the Masters this week when Joe Greiner hopped off the bag of long-time partner Max Homa to take over the bag of two-time major winner Justin Thomas. Thomas was in a pinch after his caddie,

Justin Thomas' caddie is surprisingly out of The Masters this week, but he was able to turn to an old friend for last-minute help on the bag.

"Rev is resting up so he gets better soon," Thomas wrote on social media. "I'm very lucky Joe Greiner is a great friend and able to help me out last minute." Greiner is Max Homa's