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. 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. The 25-year-old Walker was outstanding in his fourth career PGA Tour start, posting the opening day’s best round on the tougher South Course. Walker and Springer finished one shot in front of Zach Johnson, Zac Blair, Aldrich Potgieter and Lanto Griffin.