A.J. isn't very good at blocking

Turkenkopf:

It’s that time of year again.  I’ve finally gotten around to running the 2009 Catcher Block Percentage rankings.   As annual traditions go, it isn’t up there with Thanksgiving, Christmas, or the Running of the Bulls, but hopefully you still enjoy it.

For those who aren’t familiar with the stat, I look at how well a catcher stops runners from moving up on balls in the dirt.   Each wild pitch or passed ball saved is worth .27 runs (based on run expectancy and the timing of the events). Full methodology is described here. …

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