Non-Strat-O-Matic fans who are curious about the subject can try to follow Poz’s attempt to explain the game mechanics. I have no idea if that is actually possible to do in this format. He tried, anyway.
Strat fans can presumably nod along, and appreciate this:
What do I see? Well, raw IERP (and also raw DRS, not shown) has the same volatility as BABIP. Annual BABIP is mostly a crapshoot, so that confirms my expectation. ISO, wRC+ (and also wOBA, SLG, OBP, though not shown) are a fair bit better than BABIP. I don’t know about you, but when I see a one-year jump in ISO or wRC+, that’s a cause for interest. A one year blip may be a “breakout”, or the change might not last. We need to look deeper. Self-regression of IERP achieves that level of ...
What the bats giveth, the gloves taketh away.
C: Jonathan Lucroy, MIL
1B: Adrian Gonzalez, LAD
2B: Dustin Pedroia, BOS
3B: Josh Donaldson, OAK
SS: Andrelton Simmons*, ATL
LF: Alex Gordon*, KC
CF: Juan Lagares, NYM
RF: Jason Heyward*, ATL
Multi-Position: Lorenzo Cain, KC
P: Dallas Keuchel, HOU
* = unanimous selection
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