 Joe Martinez served as the announcer for Zuffa-promoted WEC events until April 2010, when he left the organization and was replaced by UFC announcer Bruce Buffer.However, Martinez made a one-off return at WEC 52 that November when Buffer was overseas for a UFC event.WEC announced that it would dissolve their light heavyweight and middleweight divisions after their December 3, 2008 event to further their concentration on lighter classes.