Williams retiring nine games into the season adds to Seattle’s black-hole situation at center the last 10 years.

Seattle Seahawks center Connor Williams has unexpectedly decided to retire at 27 years old, walking away from the team with eight games left this season. Coach Mike Macdonald said Friday the seven-year veteran made the decision earlier this week for "personal reasons.

Seattle Seahawks center Connor Williams has retired because of personal reasons, coach Mike Macdonald said on Friday. The Seahawks coach said Williams' departure did not have anything to do with the ACL injury he sustained last year that required surgery.