New Kinds of Baseball Stats

[BillT]

MLB has been collecting data using radar and cameras on where everything on the field is during a game. (Similar things are done in basketball).
After cranking through the data they have come up with two new statistics launch angle and exit velocity, both having to do with ball movement after it hits the bat.

Here is some preliminary analysis:
http://fivethirtyeight.com/features/the-new-science-of-hitting/