Arjun Atwal failed to keep the momentum going as he slipped from joint lead to 20th position at the end of the second round of the Children's Miracle Network Classic, the final counting event on the PGA Tour for 2011.
Atwal, who had a birdie-run on the first day, could managed just two in the second round, even as he gave away two bogeys.
The Indian, starting on the tenth, birdied 12th and eighth and dropped shots on 10th and 16th at the Magnolia Course on second day. He had a bogey-free 66 on first day at Palm Garden.
Meanwhile, Justin Leonard had a nine-under 63 as he tied for the team with Henrik Stenson and Bio Kim at 12-under 144 for 36 holes. Stenson shot 64 and Kim 65.
Leonard and Stenson played at thee easier Palm course and Kim played the Magnolia.
Webb Simpson and Luke Donald, who are battling for the Money title, are both at seven-under 137 for two days. Simpson is currently ahead on the money list.