Smotherman posts 63 for one-shot lead in Mexico, Rahm 4 back

Jon Rahm, of Spain, reacts after making a birdie on the 14th hole during the Mexico Open golf tournament's first round Thursday in Puerto Vallarta, Mexico. (AP Photo/Moises Castillo)

VALLARTA, Mexico (AP) — Austin Smotherman already has his name on the Mexico Open trophy. He finished his round Thursday as though he’d love to see it on there again, closing with four straight birdies for an 8-under 63 and a one-shot lead over Erik van Rooyen and Tano Goya.