(KSDK Sports) -- The idea that just because they impressed during the waning weeks of the 2012 season, and were a huge part of the Cardinals deep run into the post-season, doesn't mean the young pitching of trio of Shelby Miller, Trevor Rosenthal and Joe Kelly are taking anything for granted.

They know that even though the club has a huge need for a young pitcher to step up and join a wounded rotation, the job is not going to be given away. Each will have to show why they deserve it.