- Trent Williams, Ricky Pearsall OUT, George Kittle Active vs. Seahawks; Inactives for Week 18 #SEAvsSF 49ers.com
- Niners LT Williams, WR Pearsall out vs. Seahawks ESPN
- 49ers elevate veteran OT from practice squad with Trent Williams questionable NBC Sports Bay Area & California
- Niners RB Christian McCaffrey (back) good to go vs. Seahawks; George Kittle, Trent Williams questionable NFL.com
- NFL Insider names 49ers X-Factor for Week 18 showdown vs. Seahawks Yahoo Sports