SUN CITY, South Africa — Aldrich Potgieter will enter the final round of the Nedbank Golf Challenge with a three-shot lead as the 20-year-old South African chases a home victory.Potgieter’s blemish-free 66 on Saturday included four birdies before an eagle…

SUN CITY, South Africa — Julien Guerrier took a one-stroke lead after the second round of the Nedbank Golf Challenge on Friday, while defending champion Max Homa was two strokes back.Guerrier, who needed nine playoff holes in his 230th tournament…