Honolulu's Parker McLachlin shot a 4-under-par 66 today and was six shots behind co-leaders Jeff Overton and Tom Pernice Jr. after the second round of the AT&T National at Congressional Country Club in Bethesda, Md.

McLachlin was at 3-under 137 and tied for 14th. Kane'ohe native Dean Wilson shot a 70 and was tied for 26th at 139. Overton shot a 65 and Pernice a 63 today to share the lead at 131.

Anthony Kim (67) and Cliff Kresge (65) were three shots back.