Trent Williams, Alex Mack and reliving the Instagram flurry of a night as the 49ers rebuilt their offensive line - The Athletic
NFL free agency updates: 49ers' Trent Williams gets record deal
Trent Williams identifies the top priority for the 49ers O-line, excited to have Alex Mack
49ers' offensive line needs work in free agency even with Colton McKivitz back - The Athletic
49ers signing center Alex Mack, with Trent Williams breaking the news – KNBR
49ers offseason plan, Pt. II: Trade for Stafford, retain Verrett and sign C Alex Mack - Niners Nation
49ers land Trent Williams by making him the NFL's highest-paid offensive lineman - The Athletic
Alex Mack likely to play for 49ers in 2022 NFL season, John Lynch says – NBC Sports Bay Area & California
NFL free agency updates: 49ers' Trent Williams gets record deal
Alex Mack has been the catalyst to the 49ers' offensive line's resurgence in 2021 - Niners Nation
49ers re-sign Trent Williams, expected to add Alex Mack to o-line
Talent With A Side Of Questions: Previewing The San Francisco 49ers' Offense
49ers make Trent Williams the highest-paid offensive lineman in NFL history with enormous deal
What Do the Trent Williams, Alex Mack Signings Mean for 49ers O-line?
Trent Williams agrees to record deal with San Francisco 49ers