Purcell signed with the Broncos on Thursday after being released by the team on Tuesday, Aric DiLalla of the team's official site reports.
EDGE Analysis
The move corresponds with cornerback K'Waun Williams, safety P.J. Locke and tackle Alex Palczewski being placed on injured reserve. Purcell played in all 17 games last season for the Broncos where he registered 45 tackles (21 solo) and 1.5 sacks.