Buffalo Bills -- Picked up S Durwood Roquemore, a 1983-84 Kansas City Chief coming from the Chicago Bruisers as evidently the first NFL signee from the Arena Football League. Detroit Lions -- Signed WR Leonard Thompson; released NT Joe Drake and TE Bret Weichmann.Houston Oilers -- Acquired T Leonard Mitchell from Philadelphia for an undisclosed draft choice, conditional on passing a physical. T Don Maggs faces arthroscopic knee surgery today. Los Angeles Raiders -- Released KR Fulton Walker, who set an NFL punt return yardage record in 1985; TE Mario Perry and S Collins Hess. T Henry Lawrence needed 27 stitches for a cut eye and eyelid, will miss two-three weeks practice. New England Patriots -- OL Bruce Armstrong will be sidelined about 10 days after reinjuring in Saturday's scrimmage against the Washington Redskins a shoulder he hurt in May. Los Angeles Raiders -- Signed OL Bruce Wilkerson, No. 2 draft pick from Tennessee, to a four-year contract worth a reported $1.05 million. New Orleans Saints -- Signed CB Michael Adams. New York Jets -- Waived C James Farr and T Tony Russo. Philadelphia Eagles -- Signed LB Ron Moten, DBs Chris Gerhard and Victor Bellamy, acquired WR Shane Swanson on waivers from Denver and waived RB Willie Turral.Pittsburgh Steelers -- Waived QB Joe Pizzo and TE Ralph Britt.