FILE - San Francisco 49ers offensive tackle Trent Williams (71) plays during an NFL football game against the Washington Football Team in Glendale, Ariz., in this Sunday, Dec. 13, 2020, file photo. The 49ers locked up their biggest potential free agent for the long term by agreeing to give star left tackle Trent Williams the richest contract ever for an offensive lineman. Williams' agents at Elite Loyalty Sports say the deal agreed to early Wednesday morning, March 17, 2021, will pay Williams $138.1 million over the next six years, surpassing the $138 million deal David Bakhtiari got from during last season. (AP Photo/Rick Scuteri, File)

FILE - San Francisco 49ers offensive tackle Trent Williams (71) looks on prior to an NFL football game against the Arizona Cardinals, in Glendale, Ariz., in this Saturday, Dec. 26, 2020, file photo. The San Francisco 49ers locked up their biggest potential free agent for the long term by agreeing to give star left tackle Trent Williams the richest contract ever for an offensive lineman. Williams' agents at Elite Loyalty Sports say the deal agreed to early Wednesday morning, March 17, 2021, will pay Williams $138.1 million over the next six years, surpassing the $138 million deal David Bakhtiari got from during last season. (AP Photo/Jennifer Stewart, File)