FLOURTOWN, Pa. — There’s a lot of cool stuff in Justin Thomas’ golf bag, from his prototype Mitsubishi Diamana driver shaft to his custom one-off set of Titleist 621.JT irons. But perhaps ...

Plenty worked in Thomas' favor, of course, primarily the golf course. Harbour Town does not require a ton of drivers off the tee. It benefits a precision game, not necessarily a power game.

JT has been playing great golf so far this year, with five top-10 finishes. One of the reasons for Thomas improved play is a swap to the new Titleist GT2 driver. Don't miss out! Get weekly deals ...