Chicago White Sox -- Placed OF Rudy Law (pulled left hamstring) on 15-day disabled list; moved OF Ron Kittle (shoulder) from 15- to 21-day DL; brought up OF Mark Gilbert from AAA Buffalo.

New York Mets -- Reactivated IF Ron Gardenhire (pulled right hamstring) from DL and optioned him to AAA Tidewater. FOOTBALL

Buffalo Bills -- Signed veteran LB Jim Haslett and C Mark Traynowicz (2nd round, Nebraska).

Kansas City Chiefs -- DE Art Still, who's made the Pro Bowl four times in seven seasons, wants his contract renegotiated -- for the third time.

Los Angeles Rams -- Signed WR-KR Danny Bradley (7th round, Oklahoma).

Miami Dolphins -- Signed free agent DT Mack Moore; reached agreement with K Fuad Reveiz, their final unsigned draft choice (7th round, Tennessee).

New England Patriots -- Signed 12-year veteran C Guy Morriss and RB Tony Mumford (12th round, Penn State).

New York Giants -- OT William Roberts will not play this season after undergoing surgery for a torn ligament in his left knee; C Kevin Belcher (offseason auto accident) was placed on the reserve list.

Pittsburgh Steelers -- Signed LB Cam Jacobs (5th round, Kentucky); placed TE Darrell Nelson and OL Emil Boures, both recovering from offseason surgery, on physically unable to perform list; announced that Jim Clack, an offensive lineman with the team from 1971 through 1977, is in critical condition at a Rocky Mount, N.C., hospital following a traffic accident.

Tampa Bay Buccaneers -- Began contract talks with QB Steve Young's attorney after he received written permission from USFL.