Dallas Cowboys news: 49ers matchup features Tyron Smith, Trent Williams at left tackle - Blogging The Boys
PFF Ranks 49ers OL Bottom Half of the NFL, Trent Williams vs The World
As expected, undermanned 49ers overwhelmed by Packers
49ers' Trent Williams ranked as second-best offensive tackle by PFF – NBC Sports Bay Area & California
NFL's 30 best players over 30: Tom Brady, J.J. Watt not in top 10
Pro Football Focus: Trent Williams highest-graded OT in NFL
San Francisco 49ers: PFF ranks Trent Williams as the 8th best offensive tackle in the NFL - Niners Nation
Trailer -- SILVERBACK: The Trent Williams Story
Trent Williams' PFF grades from 49ers-Cardinals prove doubters wrong – NBC Sports Bay Area & California
State of the 49ers, OL: Progress made, but even more investment is necessary - The Athletic
Barrows: Pro Bowl voting is in full swing; here are the 49ers who should make it - The Athletic
49ers roster review: A look at every offensive player entering training camp - The Athletic