Griffin announced his retirement from the NFL on Wednesday.
Miami signed Griffin to a one-year contract Friday, Armando Salguero of the Miami Herald reports.
The Seahawks promoted Griffin to their active roster Friday, John Boyle of the team's official website reports.
The Seahawks promoted Griffin to the active roster Saturday, Gregg Bell of The Tacoma News Tribune reports.
The Seahawks signed Griffin to the practice squad Sunday, Tom Pelissero of NFL Network reports.
The Seahawks waived Griffin on Saturday, Gregg Bell of The Tacoma News Tribune reports.
Griffin appears to be on the roster bubble, Bob Condotta of the Seattle Times reports.
Griffin (knee) was a full participant at Thursday's practice, John Boyle of the Seahawks' official site reports.
Griffin (knee) participated in Monday's practice, Bob Condotta of The Seattle Times reports.
Griffin (knee) made one tackle in Thursday's preseason win over the Raiders.