VALLARTA, Mexico (AP) -- Aldrich Potgieter had the lead going into the final round of the Mexico Open, minus the cushion he enjoyed after a sloppy finish Saturday that made him settle for a 4-under 67 and a one-shot advantage over Brian Campbell at Vidanta Vallarta.

South Africa's Aldrich Potgieter shot 4-under-par 67 to maintain the lead through the third round of the Mexico Open on Saturday at VidantaWorld in Vallarta, Mexico. Potgieter is at 20 under for the tournament,