The 49ers have reached a historic deal with Trent Williams to ensure they didn't lose their top free agent.
Williams's agency announced the two sides agreed to a six-year, $138.06 million deal that will make him the highest-paid offensive lineman in NFL history. The contract includes $55.1 million in fully guaranteed money.
Williams, who turns 33 in July, was considered one of the most sought-after players in free agency this offseason. Rumors swirled over whether the 49ers would bring him back and dish out the high salary he was likely to request. On Monday, Sports Illustrated's Albert Breer reported the Niners were "willing to go to $20 million per year to keep [Williams].