Dustin Johnson has withdrawn from this week's Masters due to a back injury.
After the news broke, DJ alerted his followers on Twitter: "First I have to apologize to the fans and sponsors. With heartfelt regret, I won't be playing in the Masters due to a tweaked back. ... You have no idea how much I wanted to walk the fairways at Augusta and fulfill what I've been practicing for!! I'll have to root my buddies!" Johnson had to withdraw during the Humana Challenge due to a back injury.













