Williams, who has played his entire career with the Bills, has agreed to a one-year deal worth $6 million for his 13th season in Buffalo.
The Minnesota Vikings appear to have won the race for Kirk Cousins, with reports suggesting a lucrative deal for the star QB is close.
Gordon is set to make $790,000 under the deal and is not allowed to negotiate a contract with any other team.
Eleven-time Pro Bowl pick Drew Brees appears poised to finish his career in New Orleans after agreeing a new deal.
Sammy Watkins will join an offense featuring Tyreek Hill, Kareem Hunt and Travis Kelce after agreeing to terms with the Kansas City Chiefs.
Cousins will reportedly have dinner with coaches and other essential personnel Wednesday before visiting the team's new facility Thursday.
The 11-year veteran ends his NFL career as the Jaguars' second-leading tackler in franchise history.
Wilson broke out last season with 554 yards on 42 receptions with three touchdowns.
The NCAA has suspended Fulton for two years under its drug-testing policy, but his appeal is based on questioning the handling of a sample.
In Buffalo, Lotulelei will reunite with former Panthers defensive coordinator Sean McDermott.