The way it looks right now, the need for the Pittsburgh Pirates at the trade deadline might be pitching. That need could be reduced if Jeff Locke continues pitching well (3.46 ERA / 3.54 xFIP after tonight, so no regression is expected this year), and/or if Vance Worley turns out to be back to his pre-2013 self. That said, the Pirates currently have a rotation made up of Gerrit Cole, Charlie Morton, Edinson Volquez, Locke, and Worley. That doesn't scream "playoff rotation", and things really won't change much when the struggling Francisco Liriano returns.

The Pirates will hopefully have a lot of questions answered by the end of the month. Are Locke and Worley the real deal? Will Cole and Liriano start pitching like top of the rotation guys? These questions could determine how big of a n...

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