When you force three fumbles in one game, you're going to have a pretty good run defense grade. K'Waun Williams shined as a pass rusher as well against the Seahawks.

Run Defense: 91.8
Pass Rush: 92.1
Overall: 85.7 pic.twitter.com/eLDxKFeNbx

— PFF SF 49ers (@PFF_49ers) November 13, 2019