Brian Campbell took the PGA Tour and golf world by surprise at the 2025 Mexico Open by leaping into contention down the stretch. Who is the relative unknown and where did he come from?

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.