Another Torrey comeback? Rahm eyes Sunday charge at Farmers

SAN DIEGO – Jon Rahm knows exactly what it takes to chase down a leader at Torrey Pines.

This was the site of his breakthrough victory two years ago, when the Spaniard fired a back-nine 30 to erase a three-shot deficit and earn his first career PGA Tour title. It’s a place that harbors special memories for Rahm, who now faces another unenviable task heading into the final round of the Farmers Insurance Open.

A 4-under 68 barely put a dent into the lead of world No. 1 Justin Rose, who sits three shots clear of Adam Scott and four ahead of Rahm. A closing birdie gave him a spot in Sunday’s final group with the two men ahead of him, but it also marked his first birdie of the week on the South…