Seahawks head coach Mike Macdonald announced Friday that Williams (personal) has decided to retire, Michael-Shawn Dugar of The Athletic reports.

Williams signed a one-year, $3 million contract with the Seahawks on Tuesday, Adam Schefter of ESPN reports.

Williams (knee) passed his physical with the Seahawks on Wednesday, Adam Schefter of ESPN reports.

Williams (knee) was placed on injured reserve Wednesday.

Head coach Mike McDaniel told reporters Tuesday that Williams (knee) is out for the remainder of the season after sustaining a torn ACL in Week 13, Daniel Oyefusi of the Miami Herald reports.

Williams (groin) is active ahead of Sunday's game against New England.

Williams (groin) is listed as questionable ahead of Sunday's game against the Patriots, David Furones of The South Florida Sun Sentinel reports.

Williams (groin) is inactive for Miami's matchup with the Eagles on Sunday.

Williams (groin) is listed as questionable ahead of Sunday's game against the Eagles, Marcel Louis-Jacques of ESPN.com reports.

Williams (groin) has been ruled out ahead of Sunday's game against the Panthers, Travis Wingfield of the Dolphins' official site reports.