Erik van Rooyen, the South African who played golf at the University of Minnesota, earned his second PGA Tour victory on Sunday, at the World Wide Technology Championship in Los Cabos, Mexico. He sank an eagle putt on the 72nd hole, shooting a remarkable 28 on the back nine to beat Matt Kuchar and Camilo Villegas by two strokes. After the final putt dropped, van Rooyen raised his fist, pointed …