 Duke was one of the last players to retain his Tour card via earnings, an exemption the PGA Tour ended prior to the 2017–18 season.Duke was unable to retain full Tour status after the season and became eligible for PGA Tour Champions in January 2019.PGA Tour playoff record (1–0)

Nationwide Tour playoff record (0–1)

CUT = missed the half-way cut
"T" = tied


CUT = missed the halfway cut
"T" indicates a tie for a place

"T" = Tied