FOXBOROUGH, Mass. - The New England Patriots have agreed to deals with third-round draft choice Stevan Ridley and seventh-rounder Malcolm Williams.

Ridley, a running back from LSU, rushed for 1,147 yards and 15 touchdowns last year. Williams played defensive back at TCU.

The Patriots have signed four of their nine draft picks, including tight end Lee Smith of Marshall, a fifth-rounder, and linebacker Markell Carter of Central Arkansas, a sixth-rounder.

Five of their top six choices remain unsigned - tackle Nate Solder of Colorado, defensive back Ras-I Dowling of Virginia, running back Shane Vereen of California, quarterback Ryan Mallett of Arkansas, and offensive lineman Marcus Cannon of Texas Christian.

Levingston in camp

RENTON, Wash. - In Renton, Wash., former LSU defensive lineman Pep Levingston was one of seven of the Seattle Seahawks’ nine 2011 draft picks, including fourth-round picks linebacker K.J. Wright and wide receiver Kris Durham, who signed Thursday.

Levingston was a seventh-round pick.

Six players were on the field for the Seahawks’ first walkthrough practice of training camp on Thursday morning. Wright signed later Thursday.

Also taking part were defensive back Richard Sherman (fifth round, Stanford), Mark LeGree (fifth round, Appalachian State), defensive back Byron Maxwell (sixth round, Clemson) and linebacker Malcolm Smith (seventh round, USC). LeGree’s agents say he’s agreed to a four-year deal with Seattle.

Two Seattle draft picks remain unsigned: first-round pick James Carpenter out of Alabama and third-round pick John Moffitt out of Wisconsin. Carpenter and Moffitt are expected to be possible starters on the right side of Seattle’s offensive line.