The Miami Dolphins have signed linebacker Nathan Williams, the team announced. Williams (6-3, 249) played collegiately at Ohio State and had 40 tackles his senior year.
To make room on the roster for Williams, the team placed tight end Dustin Keller on the Reserve/Injured list.
Roster Moves | TE @DUSTINKELLER81  has been placed on the Reserve/Injured list and the team has signed LB Nathan Williams.
— Miami Dolphins (@MiamiDolphins) August 20, 2013