Sung Kang

Defending champion Brooks Koepka has matched his career best with an 8-under 62 to take a one-stroke lead in the first round of the FedEx St. Jude Invitational.

Sung Kang closed the Byron Nelson with a 4-under 67 to finish at 23 under and beat Matt Every and Scott Piercy by two strokes. His first career victory.