ATLANTA FALCONS-Agreed to terms with CB Jimmy Williams.

BUFFALO BILLS-Signed CB Ashton Youboty to a four-year contract.

CAROLINA PANTHERS-Agreed to terms with S Nate Salley on a three-year contract.

GREEN BAY PACKERS-Signed OL Daryn Colledge to a four-year contract. Released S Mark Roman.

KANSAS CITY CHIEFS-Agreed to terms with DE Tamba Hali and QB Brodie Croyle.

MINNESOTA VIKINGS-Signed LB Chad Greenway to a five-year contract. Signed WR Dez White.

NEW YORK GIANTS-Signed DE Mathias Kiwanuka to a five-year contract. Re-signed G Kevin McAlmont. Placed DT Junior Ioane on the reserve-did not report list, OL Lewis Kelly on the physically-unable-to-perform list and S James Butler on the reserve-non-football injury list.

NEW YORK JETS-Placed RB Curtis Martin, WR Justin McCareins, OL Trey Teague and DB Rayshun Reed on the physically-unable-to-perform list. Signed OL Pete McMahon. Waived FB Luke Lawton.

PITTSBURGH STEELERS-Signed Kevin Colbert, director of football operations, to a four-year contract, through 2010. Agreed to terms with S Anthony Smith and QB Omar Jacobs.

SAN FRANCISCO 49ERS-Traded QB Cody Pickett to Houston for a conditional draft pick.

SEATTLE SEAHAWKS-Signed G Rob Sims, DE Darryl Tapp and WR Ben Obomanu.

TAMPA BAY BUCCANEERS-Signed G Davin Joseph, T Jeremy Trueblood and WR Maurice Stovall.

TENNESSEE TITANS-Agreed to terms with QB Vince Young on a five-year contract and LB Terna Nande on a three-year contract. Agreed to terms with RB LenDale White.Copyright © 2005 The Associated Press. All rights reserved. The information contained in the AP News report may not be published, broadcast, rewritten or redistributed without the prior written authority of The Associated Press.