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THE BOOK--Playing The Percentages In Baseball

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Monday, February 25, 2008

Yahoo Fantasy Linear Weights League

Somebody asked me what weights to use.  Let me give this a first go.  I spent about 20 minutes on this, so we can discuss this, and we can further tweak it:


First off, I’ve never played Yahoo Fantasy.  I presume from what little I’ve read that you can set the points for various counting stats.  I’m also going to presume you can set decimal places.  If you can’t, then just multiply all my weights by 10 (and if that’s the case, I can come up with slightly more accurate numbers).

Hitting:
ab -2
h +6
2b +3
3b +5
hr +8
sb +2
cs -4
bb +3

The average full-time player will get around 200 points.  The bottom feeders will get close to zero.  The top 10 hitters should be around 600 points or so, I’m guessing.  If someone wants to run it through, feel free to report back.

Does Yahoo give you fielding positions?

Pitching:
IP +2.3
H -0.5
BB -1.5
K +1
ER -1.5
HR -2

The average 200 IP starter will get 200 points.  A top starter will get 400 points or so.  The bottom feeders will get 0 points.

Closers get the short-shrift here.  We can include:
SV +2
or maybe
SV +1
GF +1

Like I said, I just did this real quick, but this should serve the basis for your own league construction.

As for how I came up with the pitching, that was fun.  Basically, there are 4 components:
ERA
K/BB ratio
FIP
WHIP

If it was just ERA, you give +4 for IP, and -6 for ER.  That sticks to the 0 / 200 / 400 levels I mentioned above.

If it was just K/BB, you give -3 for BB and +3 for K.  Again, that gives me the right scale.

For FIP, it’s +1.5 for IP, +1 for K, -1.5 for BB, and -6.5 for HR.

For WHIP, it’s +3.5 for IP, -2 for H, -2 HR, -1 BB.

Suggestions?

(33) Comments • 2009/04/04 • SabermetricsFantasy
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