Metairie La en Saints Add CB Elbert Mack, Waive DT Mitch King <p>METAIRIE, La. (AP) &mdash; The New Orleans Saints and veteran cornerback Elbert Mack have agreed to a one-year contract. General manager Mickey Loomis, who announced the acquisition of Mack on Tuesday when the Saints opened minicamp. He says the club also has waived defensive tackle Mitch King.<span style="display: none;">&nbsp;</span></p> Wed, 06 Jun 2012 15:00:40 +0000 The Associated Press 12996 at