Esteban Toledo, a rookie looking for his first win on the Champions Tour, had a one-stroke lead heading into the final round of the Greater Gwinnett Championship on Saturday.
Toledo, from Mexico, completed his first-round 68 in the morning before shooting a 2-under 70 in the second round. Bernhard Langer had 66 that left him in a four-way tie for second.
Langer was tied with Roger Chapman, Tom Pernice Jr. and Mark Calcavecchia.
Michael Allen took the first-round lead by completing a 67 early Saturday. He lost the lead in the second round when he called a two-stroke penalty on himself for removing an embedded pine cone on No. 4.
Allen added another double bogey on No. 5 before recovering for a 73 that left him 4 under and two strokes behind the leader.