Ludvig Aberg shot a 9-under 63 for a two-shot lead over Danny Walker and Hayden Springer in the opening round of the Farmers Insurance Open at Torrey Pines.

Sweden’s Ludvig Aberg flirted with the course record in Wednesday’s opening round of the Farmers Insurance Open before settling for a 9-under 63 on the North Course for a two-stroke lead at Torrey Pines.

Not one, but two amateurs could earn their PGA Tour cards by the end of the Farmers Insurance Open on Saturday. Here's how.

The California Swing with the Farmers Insurance Open, an annual PGA Tour stop since the 1950s. Players will attempt to navigate the narrow fairways, thick rough and small Poa greens of Torrey Pines, one of the premier municipal golf courses in America and also the host of two U.

Aberg took a first-round lead on the PGA Tour for the first time after posting the best opening-round score of his short career.

Aberg birdied the first three holes and eight in all, with an eagle, at Torrey Pines and posted a 9-under round to lead by three.

Sweden's Ludvig Aberg shot a 9-under-par 63 on the Torrey Pines North Course to take a two-shot lead after the opening round of the Farmers Insurance Open on Wednesday at San Diego.