After a five-year-plus run with his first caddie as a professional golfer, Collin Morikawa only made it five tournaments with his second.

The two-time major champ is making a second switch on his bag of 2025 at this week’s Rocket Classic. Adam Schupak of Golfweek reported the news on Wednesday morning from Detroit Golf Club.

Morikawa linked up with looper Joe Greiner in April. Greiner was coming off a successful two-tournament fill-in stint with Justin Thomas, helping him win the RBC Heritage. Previously, Greiner was the longtime caddie of Max Homa.

Greiner had been a replacement for JJ Jakovac, who had looped for Morikawa since he turned pro in 2019. Jakovac was on the bag for both of Morikawa’s major titles at the 2020 PGA Championship and 2021 Open Championship.

Morikawa will have Korn Ferry Tour player and former Cal teammate KK Limbhasut on his bag at this week’s Rocket Classic, according to Shupak.

Morikawa is currently No. 5 in the Official World Golf Ranking, but he hasn’t won a PGA Tour title since the 2023 Zozo Championship. And that’s the 28-year-old’s lone victory since claiming the claret jug nearly four years ago.

In his five starts with Greiner as caddie, Morikawa finished T-17 (Truist Championship), T-50 (PGA Championship), T-20 (Memorial), T-23 (U.S. Open) and T-42 (Travelers Championship).

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Main Image: Warren Little