Justin Thomas's caddy for the Masters had to drop out at the last minute, which is why he's getting support from someone totally new.

Justin Thomas does not have his usual caddie with him at Augusta National this week. While the No. 8 ranked golfer in the world has been doing quite well with Matt "Rev" Minister this season, Thomas instead is working with Joe Greiner this week — the longtime caddie of Max Homa,

Justin Thomas is a fan favorite and always expected to be in contention at big golf tournaments, like this week's Masters at Augusta National Golf Club.If Thomas contends this week, though, he'll have to do it in slightly unexpected fashion.