Leading trio intact with 2nd round complete at soggy Nelson (The Associated Press)

Jimmy Walker watches his approach shot on the 10th hole during the second round of the Byron Nelson …

Steven Bowditch looks out over the fairway after he hit a tree with his second shot on the 10th hole …

Jon Curran hits hits an approach shot on the seventh hole during the second round of the Byron Nelso …

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IRVING, Texas (AP) -- Texan Jimmy Walker, Dallas-area resident Steven Bowditch and PGA Tour rookie Jon Curran are still the leaders after the completed second round at the AT&T Byron Nelson.