Eaks, who got both of his Champions Tour wins last season, was 16-under 128 following a rain-delayed second round.

Loren Roberts (65) and Gene Jones (67) share second place at 13-under 131. First-round leader Dana Quigley (70) dropped into fourth place at 12-under 132.

Bernhard Langer (66) was the only other player within five shots of Eaks at 11-under 133.

Eaks was not among three co-leaders when play was suspended around 2:45 p.m. local time as a line of thunderstorms rolled through the area. After a delay of nearly three hours he started taking control and played the closing 10 holes at 6-under par.