Spieth shoots 63, shares lead at low-scoring hometown Nelson

Jon Rahm, of Spain, lines up his putt on the first green during the first round of the AT&T Byron Nelson golf tournament, Thursday, May 13, 2021, in McKinney, Texas. (AP Photo/Tony Gutierrez)

Jordan Spieth reacts after making an eagle putt on the 18th green during the first round of the AT&T Byron Nelson golf tournament, Thursday, May 13, 2021, in McKinney, Texas. (AP Photo/Tony Gutierrez)

McKINNEY, Texas — Jordan Spieth had his longest stretch all day of mere pars — a whopping four holes — on the besieged new home course of the AT&T Byron Nelson when the local favorite stepped over a 55-foot eagle putt on the par-5 18th.