Rookie David Skinns on the charge in Texas

PGA rookie David Skinns fired a superb second round of 63 to claim a share of the clubhouse lead in the AT&T Byron Nelson in Texas.

The Englishman, in his rookie season on the PGA Tour at the age of 40, carded 10 birdies and a solitary bogey to join local favourite Ryan Palmer on 15 under par, Palmer having also recorded 10 birdies in a flawless 62 at TPC Craig Ranch.

FULL LEADERBOARD

Former Masters champion Charl Schwartzel lies two shots off the pace following a 65, with Jordan Spieth also shooting 65 to reach 12 under as he warms up for his attempt to win next week's US PGA Championship and complete the career grand slam.