AMERICAN FOOTBALL CONFERENCE 

HOUSTON — Tryouts: DE Tim Bulman; DE Malcolm Sheppard.

MIAMI — Placed on waivers: CB Brandon McDonald.

NEW ENGLAND — Activated: TE Visanthe Shiancoe (from reserve/injured, designated for return/hamstring).

OAKLAND — Placed on waivers: CB Patrick Lee. Activated: CB Ron Bartell (from reserve/injured, designated for return/shoulder). Roster addition: RB Jeremy Stewart (from Raiders practice squad). Reserve/injured: CB Shawntae Spencer (foot).

NATIONAL FOOTBALL CONFERENCE

DALLAS — Placed on waivers: LB Gary Guyton. Roster addition: CB Vince Agnew (from Cowboys practice squad).

N.Y. GIANTS — Reserve/injured: CB Michael Coe (hamstring). Roster exemption lifted: CB Will Hill (from exempt/commissioner permission).

ST. LOUIS — Placed on waivers: DT Kellen Heard.