Zydrunas Ilgauskas has forgiven the Cleveland Cavaliers. Feeling betrayed after he was traded last month, Ilgauskas wants to return to the only NBA team he has played for to help it win a championship. Ilgauskas, the towering center known to Cleveland fans simply as “Z,” told his agent Herb Rudoy to begin negotiations with the Cavs on March 22 — the first day he can sign.