Roberts began the streak with a eagle on the 12th hole and ended it with a crucial 7-foot birdie putt on the 18th to finish the final round with a 7-under-par 65, edging Fred Funk by a single shot at 15-under 201.
With his win at the En-Joie course in Endicott, N.Y., Roberts notched his 12th career Champions Tour title and earned a $255,000 first-place prize.
Funk also shot a 65, finishing at minus-14, while second-round leader Dan Forsman ran into trouble with three late bogeys, ending with a round of 71 and a share of third place at 13-under 203.
Also finishing tied for third were Nick Price (68) and Wayne Levi (69).
Kate Moss Playboy shoot is classic Playboy, classic Kate
Man behind Doritos Locos Tacos passed away on Thanksgiving