Collin Morikawa explains why he split with caddy Joe Greiner after just five tournaments. #Golf #GolfChannel #CollinMorikawa #PGATour » Subscribe to Golf Channel: https://www.youtube.com/golfchannel?sub_confirmation=1 » For the latest news around golf: https://www.nbcsports.com/golf Welcome to Golf Channel’s official YouTube channel. We…

Collin Morikawa tells Todd Lewis about his debut round with new caddie Joe Greiner, a 7-under 63 at Philadelphia Cricket Club to open the Truist Championship. Morikawa says his “accountability” is key given the change. #PGATour #GolfChannel #CollinMorikawa » Subscribe…