AMERICAN FOOTBALL CONFERENCE
DENVER — Tryout: P Daniel Power.
SAN DIEGO — Practice-squad addition: WR Marques Clark. Practice-squad deletion: WR Chris Owusu (signed to Buccaneers roster).
NATIONAL FOOTBALL CONFERENCE
ARIZONA — Reserve/suspended by commissioner, from practice squad: WR Gerell Robinson (four games, violation of performance enhancing substances policy).
DETROIT — Roster exemption lifted: RB Mikel Leshoure.
SEATTLE — Practice-squad addition: LB Allen Bradford. Practice-squad deletion: OG Rishaw Johnson.
TAMPA BAY — Roster addition: WR Chris Owusu (from Chargers practice squad). Reserve/injured: WR Sammie Stroughter (foot).
FREE AGENT — Reserve/suspended by commissioner: P Brett Hartmann (eight additional games).