FanPost

MLBN Flexin' their "Sabr" chops: Base Rate

The Lodo Magic Man over on Purple Row pointed out MLBN introducing a new metric they called "Base Rate" or something similar.

Their formula reads as follows:

OPS-AVG.

That's it.

Now, there are two ways to look at this. OPS-AVG could be looked at as SLG+walks (or just the IsoD), or it could be looked at as OBP + IsoP.

My immediate reaction was to eschew it, thinking "well, we have wOBA, why do we really need something else? Linear Weights own." Some very brief discussion followed, and Rox Girl brought up the point that OPS double-counts singles, as they appear in both OBP and SLG. So at least it seems there's some merit.

What I've noticed is that it over-rewards guys with low batting averages. Pujols and Fielder appear near the top, Mauer and Votto are definitely on there, but BaseRate provides some surprises.

Here's the top-10 in the majors by metric:

 

OPS

 

wOBA

 

BaseRate

 

1

Albert Pujols

1.101

Albert Pujols

.449

Albert Pujols

.774

2

Joe Mauer

1.031

Joe Mauer

.438

Prince Fielder

.715

3

Prince Fielder

1.014

Prince Fielder

.420

Adrian Gonzalez

.681

4

Joey Votto

.981

Joey Votto

.418

Carlos Pena

.666

5

Derrek Lee

.972

Kevin Youkilis

.413

Joe Mauer

.666

6

Kevin Youkilis

.961

Derrek Lee

.412

Derrek Lee

.666

7

Adrian Gonzalez

.958

Hanley Ramirez

.410

Adam Dunn

.661

8

Hanley Ramirez

.954

Ben Zobrist

.408

Joey Votto

.659

9

Ben Zobrist

.948

Alex Rodriguez

.405

Kevin Youkilis

.656

10

Mark Teixeira

.948

Ryan Braun

.405

Mark Teixeira

.656

I'm not much of a deep thinker, or someone who formulates metrics, so attempting to figure out what exactly is wrong with this ( or why I should be accepting it) isn't really my strong suit, so I'm turning to the minds over here at BtB.

Just for the record, I'm not suggesting this should overthrow wOBA or anything, I'm pretty on board with linear weights, etc, but I'm wondering if BaseRate can actually provide any value that isn't completely redundant or overly faulty.

(If this has been discussed already, I'll delete this. I ran a quick search to see if there was already a discussion, and I haven't seen anything.)

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