Bob Tway shot a 7-under 65 on Saturday to take a one-stroke lead Mark Calcavecchia after the second round of the Champions Tour's Montreal Championship.
The 53-year-old Tway had a 9-under 135 total on Vallee du Richelieu Golf Club's Vercheres Course. Winless on the 50-and-over tour, he won the 2003 Canadian Open for the last of his eight PGA Tour titles.
Calcavecchia shot a 67.
First-round leader Russ Cochran had a 71 to drop into a tie for third at 7 under with Michael Allen, Hale Irwin and Jay Don Blake. Allen, the tour leader with two victories and earnings of $1,071,282, had a 69, Irwin shot 68, and Blake had a 67.