Seattle Mariners President & Chief Operating Officer Kevin Mather, on behalf of the Mariners organization and ownership group, today announced that the Mariners will officially retire Edgar Martinez’s number 11 in a pregame ceremony on Saturday, August 12. Martinez joins Ken Griffey Jr. as the only players in franchise history to have their number retired. In addition, Jackie Robinson’s no. 42 has been retired by Seattle and all Major League teams.
