Brown fired a 66 Saturday at the Dunes Club while Gotterup is four clear of the field.
Final-round tee times at the Wells Fargo Championship with Xander Schauffele leading Rory McIlroy.
Sagstrom is one shot clear of Zhang with the next nearest competitor 10 back.
Chris Gotterup overcame a bout of nerves to stretch his lead to four strokes on Saturday at the Myrtle Beach Classic, where he's chasing his first US PGA Tour triumph.Gotterup, who started the day with a one-shot lead was four strokes clear of South African Erik van Rooyen, Spain's Jorge Campillo and Scotland's Robert MacIntyre.
Thru | Total | ||
---|---|---|---|
F | -12 | ||
F | -11 | ||
F | -8 | ||
F | -7 | ||
F | -5 | ||
F | -4 | ||
F | -4 | ||
F | -4 | ||
F | -4 | ||
F | -4 |