Jason Motte's injury this spring left the Cardinals scrambling to find a replacement at closer. Edward Mujica has filled in admirably so far, but he is set to become a free agent after this season and, with Motte likely starting next year on the DL, the Cards will likely face the same closer issues next year.
The question then is who will become the Cardinals next great closer? The guy that Mike Matheny can hand the ball to in the 9th inning for the next several years and not have to worry (or at least not too much).
Based on the evidence so far, it seems likely that either Trevor Rosenthal or Carlos Martinez will take over the closer role, either by the end of this year or via a spring training battle next year.
Rosenthal would seem to be the logical choice to take over as closer. Despite spending most of his minor league career as a starter, the Cardinals used him as a reliever down the stretch last season. In addition, after stating that he would compete for the 5th star...