Keegan Bradley has followed his opening round of 60 with a 69 on day two to lead the Byron Nelson Championship by three shots at the halfway stage.
The American (-11) carded four birdies during his second round in Texas, but dropped shots at the first, sixth and 18th saw him finish one-under-par for the day.
Tom Gillis (-8) lies three shots back having signed for a 64, the joint-best round of the day. He shares second place with Bae Sang-Moon.
Ryan Palmer, Charl Schwartzel and John Huh all sit on seven-under-par, with Ted Potter Jr, Gary Woodland and Harris English one shot further back.
