Running back Duke Johnson announced his retirement in a social media post on Sunday.
"Don't call unless you absolutely need it, but, if you ever do call, I'll be there."
Defensive tackle Buddha Jones took part in the Seahawks' rookie minicamp on a tryout basis and the team saw enough to keep him around for a longer stretch.
Malik Mustapha has been a lifelong 49ers fan thanks to a video game and house full of Cowboys fans.