Justin Thomas made a pair of birdies on the crusty, breezy back nine at Harbour Town to salvage a 2-under 69 for a two-shot lead Friday at the RBC Heritage, his first 36-hole lead in more than four years.

Si Woo Kim, 29, birdied the opening two holes to build some momentum en route to a 5-under 66 and a one-shot lead at the RBC Heritage in Hilton Head Island, South Carolina, telling reporters later Saturday that "I played great.

Justin Thomas followed his opening-round 61 with a 2-under-par 69 on Friday to maintain the lead through 36 holes at the RBC Heritage in Hilton Head Island, S.C.