The net present value on Williams deals is 3/$45M. That's a heck of a lot more than 2/$22M
Ashby as a RP in his career - 2.49 ERA, 2.41 FIP, 2.63 xFIP, 1.12 WHIP, 22.8% K-BB
Devin Williams 3 seasons before entering FA - 2.91 ERA, 2.58 FIP, 2.81 xFIP, 1.02 WHIP, 26.1% K-BB
Think maybe you weren't aware how good Ashby has been as a RP in his career. It's right up there with the best relievers in the sport.