Kraft made two stops, first to deny substitute Houssine Kharja and then to parry Thiago Motta's point-blank header, before Eto'o's goalbound effort was deflected just wide.
Valencia stormed out of the blocks in the second half and quickfire goals from David Silva and Nikola Zigic put them in front, before Houssine Kharja drew the Italians level from the penalty spot.