Kevin Harvick cruised to an eight-second victory over teammate Clint Bowyer.
Edwards has been a hot name for a top-tier ride in 2018. If, of course, he comes back to NASCAR.
Next week's race at Daytona is Junior's last scheduled Cup race at the iconic track.
A driver has scored his only regular season win in four of the last 10 Sonoma races. This year, 8 of the top 12 drivers in points are currently winless.