For most of the season the Pittsburgh Pirates have been carried by strong pitching, especially out of the starting rotation. Almost all of their starters have performed well this year, including most of the depth options that have come up to fill in for injuries. Now we're approaching the end of the season, and the Pirates have their best starters in the mix.

The Pirates are also pretty much a lock to make the playoffs. The only question is where they will end up. If they win the division, they will need a 3-4 man rotation for the post-season. If they make it to the Wild Card, they will need one key starter, and then three other starters if they advance.

The one starter who is a lock for the rotation, and who is the top candidate for that one key start is Francisco Liriano. He has be...

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