Before the start of the Travelers Championship, Dustin Johnson said that he needed to work on his putting. He's also trying to figure things out with the driver.
Johnson returned to the driver that he won the Masters with last November, putting the TaylorMade SIM model back in bag for Thursday's opening round of the Travelers Championship. The switch was first noticed by Golf.com's Jonathan Wall, who noted that Johnson also went back to his old shaft, a Fujikura Speeder 661X.
Last week at the U.S. Open, Johnson was using a SIM2, which he first began playing at Kapalua to start the year.