Statcast Lab:

Breaking up
- the zones over the plate into 4 distinct zone (heart, shadow, chase, ozone), and
- the batter approach into two (swing and take),
we can establish the value of his performance along any of these subsets.

Here is JD Martinez. pic.twitter.com/6ax4KbuGRK

— Tangotiger 🍁 (@tangotiger) November 25, 2018