Pitch Calling and its effect on my ERA Topic

MikeT23
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Quote: Originally Posted By mgrieshop on 2/13/2010The search function is your friend.

There have been many threads that discuss this. MikeT23 claimed that a difference in 40 can be as much as .5 in your ERA. Others thought that it might be closer to .2, or even as low as .15


I tracked my first 20 or so seasons(only my teams because I know how I use MY players). And, yeah, it was .124(or thereabouts) for each 10 points in PC for several teams. I used a minimum innings caught and it was pretty consistent. Still a small sample size AND a couple of years ago so take it FWIW.
2/14/2010 5:48 AM
cmthieme
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Quote: Originally Posted By lostpike on 2/14/2010The 72 PC guy has a 73 AS and a 63 AA. His batting #s are
8682498294
A 73/63/72 C with those batting numbers would never see the bench for me against RH. That's a damn fine player and probably one of the better all-around C's in your world. Stud against RH pitching and decent defense for a hitter that good.

As most catchers need rest anyway, I'd find a really good defensive C (maybe the guy you already have) that can at least hold his own against LH pitching to back him up and get some time vs. LH.
2/14/2010 8:45 AM
blanch13
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A season or 2 ago I had an injury to my primary C and ended up splitting AB's with a good-hitting C with a 43PC and a no-hit, 90PC guy. The C with the 43 PC ended up with the better ERA against for the season. Been moving toward better-hitting C's ever since.
2/14/2010 9:21 AM
moosep
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Quote: Originally Posted By cmthieme on 2/14/2010
Quote: Originally Posted By lostpike on 2/14/2010
The 72 PC guy has a 73 AS and a 63 AA. His batting #s are
8682498294
A 73/63/72 C with those batting numbers would never see the bench for me against RH. That's a damn fine player and probably one of the better all-around C's in your world. Stud against RH pitching and decent defense for a hitter that good.

As most catchers need rest anyway, I'd find a really good defensive C (maybe the guy you already have) that can at least hold his own against LH pitching to back him up and get some time vs. LH.

You read my mind!
2/14/2010 9:24 AM
torrone
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I have 3 C's with widely differing PC. Over the last2-3 years there has been very little dif in their ERA. Get a good hitting C and better pitchers and you'll be just fine.
2/14/2010 8:09 PM
schuyler101
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Quote: Originally posted by MikeT23 on 2/14/2010
Quote: Originally Posted By mgrieshop on 2/13/2010The search function is your friend.<IMG src= "smileys/smiley2.gif">

There have been many threads that discuss this. MikeT23 claimed that a difference in 40 can be as much as .5 in your ERA. Others thought that it might be closer to .2, or even as low as .15.I tracked my first 20 or so seasons(only my teams because I know how I use MY players).   And, yeah, it was .124(or thereabouts) for each 10 points in PC for several teams.   I used a minimum innings caught and it was pretty consistent.   Still a small sample size AND a couple of years ago so take it FWIW. 


Question about the methodology...were any of the catchers tracked used as late inning replacements? If so this could skew things a bit since they would spend a disproportionate amount of innings catching for a closer.
2/14/2010 10:19 PM
strikeout26
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I used a much smaller sample size than MikeT, but I had the same results as him. My catchers were about .1 per 10 point drop.
2/14/2010 10:44 PM
sanderbear
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With Honolulu as a home park, the gap between my 90 PC starter and his 66 PC backup is .38.

Backup 2, who got 11 starts filling in for backup 1 and has a 78 PC, actually has a better CERA by .04 -- but he can't hit.
2/14/2010 10:53 PM
sanderbear
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On a related subject, have you ever noticed that one of your SPs always seems to do better with the lower PC catcher?

The SP for me has changed season to season, but every year, one guy seems more in sync with the backup. And that's how I give my starting C enough rest to keep him at 100 all year.
2/14/2010 10:56 PM
MikeT23
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Quote: Originally Posted By schuyler101 on 2/14/2010
Quote: Originally posted by MikeT23 on 2/14/2010
Quote: Originally Posted By mgrieshop on 2/13/2010The search function is your friend.<IMG src= "smileys/smiley2.gif">

There have been many threads that discuss this. MikeT23 claimed that a difference in 40 can be as much as .5 in your ERA. Others thought that it might be closer to .2, or even as low as .15



I tracked my first 20 or so seasons(only my teams because I know how I use MY players). And, yeah, it was .124(or thereabouts) for each 10 points in PC for several teams. I used a minimum innings caught and it was pretty consistent. Still a small sample size AND a couple of years ago so take it FWIW.


Question about the methodology...were any of the catchers tracked used as late inning replacements? If so this could skew things a bit since they would spend a disproportionate amount of innings catching for a closer.


I wish I could answer this with any degree of certainty. I've always used a D-replacement but this was back when I used the 3MT exclusively. Because of that, I didn't value RP so I don't recall ever having a slam the door shut closer.
2/15/2010 5:54 AM
schuyler101
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Quote: Originally posted by sanderbear on 2/14/2010On a related subject, have you ever noticed that one of your SPs always seems to do better with the lower PC catcher?

The SP for me has changed season to season, but every year, one guy seems more in sync with the backup. And that's how I give my starting C enough rest to keep him at 100 all year.

seems like a lot of work switching them in and out, all for something that i would guess is just randomness
2/15/2010 6:47 AM
schuyler101
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2/15/2010 6:49 AM
sanderbear
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2/15/2010 8:57 AM
gjello10
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Quote: Originally Posted By knucklebones on 2/14/2010
PC MODIFIES THE PITCHES AND PITCH SELECTION - this can be found in so many words from the devs themselves. At least the modify pitches part.

It won't make your pitchers more or less wild.

It won't chage their velocity.

It won't change the GB/FB ratio.

It doesn't change the vs L or R

If Im wrong someone show me where. I know for sure I saw that it modifies pitches and that it was a quote from the devs.

From the 1/21/09 Dev Chat:

Q:/ Does a catcher's pitch calling affect anything other than OAV? Does it affect how many pitches a pitcher throws per inning? (sweetsalve - Hall of Famer - 1:11 PM)

A:/ No, it only affects OAV.



I take that to mean that PC boost splits (which seem to have primary responsibility for OAV) as opposed to pitches (which seem to be the controlling factor in SLG allowed).
2/15/2010 9:55 AM
deanod
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i just view it as dropping OAV, instead of confusing it with it's impact on a pitcher's rating.

for all we know, none of the P ratings correlate solely to OAV
2/15/2010 9:58 AM
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