Chargers' Smith has a knack for extensions

Posted by ESPN.com's Bill Williamson

The Chargers' contract extension with defensive lineman Luis Castillo is another in a long line of extensions in San Diego under the guidance of General Manager A.J. Smith. The following is a list of the veterans who extended contracts under Smith, who took over in San Diego in 2003, and chief contract negotiator Ed McGuire.

*Neal and Polk contracts have been redone twice.