If you want to point to one reason why the Pittsburgh Pirates have been so successful this year, the most obvious reason would be their pitching. I talked about the pitching last night, pointing out how the Pirates are only projected to spend $36.5 M for the number one ranked pitching staff in baseball. But digging deeper into the success of the pitching staff, we can see the real fuel for this year's team has been the depth.

This isn't a new concept. The Pirates went through 11 starting pitchers in the first two and a half months of the season. They recently saw their All-Star closer go down with an injury, only to replace him with the guy who has the best numbers of all National League relievers. They have two prospects who have upper 90s fastballs and dominating sliders -- Vic Black ...

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