Collin Morikawa has broken up with caddie Joe Greiner after just five tournaments. He explained why at the Rocket on Wednesday.

Collin Morikawa publicly called out Golfweek's reporter during his pre-tournament conference at the Rocket Classic.

Limbhasut, who was Morikawa's teammate at Cal, is Morikawa's third caddied in the past three months, and there might be a fourth caddie for The Open, which begins July 17 in Northern Ireland.Morikawa,