"It's not an all or nothing game because we still have to go to Basel in our final match and if we win that then we are through," said Murphy.
"But we owe Valencia and we want to show them that we are a good side and that we can compete at their level.
"If we play as well as we can then I know we can win. Hopefully that will be the case because we don't really want a scenario where we have to win our last game to go through."