Comments on: Smell the glove http://futureredbirds.com/2008/02/04/glove-love/ Baseball's Future in the Gateway City Wed, 11 Mar 2009 20:24:05 +0000 http://wordpress.org/?v=MU hourly 1 By: SB12 http://futureredbirds.com/2008/02/04/glove-love/#comment-14336 SB12 Wed, 06 Feb 2008 19:49:17 +0000 http://futureredbirds.wordpress.com/?p=897#comment-14336 Martinez left me impressed before I had ever heard of the guy, I had to look him up Seemed like he stung the ball every time and made some great plays in the field. Martinez left me impressed before I had ever heard of the guy, I had to look him up

Seemed like he stung the ball every time and made some great plays in the field.

]]> By: DanAgonistes http://futureredbirds.com/2008/02/04/glove-love/#comment-14332 DanAgonistes Wed, 06 Feb 2008 18:09:24 +0000 http://futureredbirds.wordpress.com/?p=897#comment-14332 Thanks for linking to the spreadsheet and discussng SFR. A couple of comments: - park effects are not considered in this system so a player that plays on turf may be more affected than the vast majority that play on grass - I like the range that AZRUAVATAR provided. These numbers are based on underlying probabilities and not visual inspection of each play and so it is certainly the case that there is variability in play. For a single season those ranges should suffice but as we look at more data we should be able to shrink those ranges somewhat. - After making a few more tweaks on the outfield numbers I'll be publishing v1.0 of the outfield methodology and will include minor league numbers. However, the outfield ratings are more dependant on park effects and since I only have data for 2005 through 2007, those numbers will have more variance. Those outfield numbers should include outfielder throwing as well (an essay on this topic will be included in Baseball Prospectus 2008 due out at the end of the month) as how the fielder does on ground balls, fly balls, and line drives. - Although I haven't published it the infielder SFR numbers can also be broken down into how the fielder does to his left and right. Still working on that. - "if you don't mind hearing about some methods" :) Doesn't everyone want to hear about methodology and algorithms? Hmmmmm.... Thanks for linking to the spreadsheet and discussng SFR. A couple of comments:

- park effects are not considered in this system so a player that plays on turf may be more affected than the vast majority that play on grass

- I like the range that AZRUAVATAR provided. These numbers are based on underlying probabilities and not visual inspection of each play and so it is certainly the case that there is variability in play. For a single season those ranges should suffice but as we look at more data we should be able to shrink those ranges somewhat.

- After making a few more tweaks on the outfield numbers I’ll be publishing v1.0 of the outfield methodology and will include minor league numbers. However, the outfield ratings are more dependant on park effects and since I only have data for 2005 through 2007, those numbers will have more variance. Those outfield numbers should include outfielder throwing as well (an essay on this topic will be included in Baseball Prospectus 2008 due out at the end of the month) as how the fielder does on ground balls, fly balls, and line drives.

- Although I haven’t published it the infielder SFR numbers can also be broken down into how the fielder does to his left and right. Still working on that.

- “if you don’t mind hearing about some methods” :) Doesn’t everyone want to hear about methodology and algorithms? Hmmmmm….

]]> By: Bob http://futureredbirds.com/2008/02/04/glove-love/#comment-14327 Bob Wed, 06 Feb 2008 14:14:52 +0000 http://futureredbirds.wordpress.com/?p=897#comment-14327 So...a week ago it was understood that Jose Martinez would inevitably be moving to 2nd base, but now we see that his defense is so good it "goes to eleven." Add together Jose's A+ and AA numbers with the leather, and he saved 15.1 runs in a 5-month minor league season. That's truly elite (and having nearly identical defensive numbers from 2 different leagues is strong evidence that JM's performance is legit), and on a par with much-lauded fellow SS prospect Chin Hu of the Dodgers. If Jose's AA performance at the plate at age 21 was a harbinger of what's to come (.300 avg., 10 HR's in 250 AB's), the Cards have another Placido Polanco--or better! So…a week ago it was understood that Jose Martinez would inevitably be moving to 2nd base, but now we see that his defense is so good it “goes to eleven.”

Add together Jose’s A+ and AA numbers with the leather, and he saved 15.1 runs in a 5-month minor league season. That’s truly elite (and having nearly identical defensive numbers from 2 different leagues is strong evidence that JM’s performance is legit), and on a par with much-lauded fellow SS prospect Chin Hu of the Dodgers.

If Jose’s AA performance at the plate at age 21 was a harbinger of what’s to come (.300 avg., 10 HR’s in 250 AB’s), the Cards have another Placido Polanco–or better!

]]> By: nms http://futureredbirds.com/2008/02/04/glove-love/#comment-14326 nms Wed, 06 Feb 2008 13:28:47 +0000 http://futureredbirds.wordpress.com/?p=897#comment-14326 I have to give props to a Spinal Tap reference! I have to give props to a Spinal Tap reference!

]]> By: erik http://futureredbirds.com/2008/02/04/glove-love/#comment-14324 erik Wed, 06 Feb 2008 05:09:58 +0000 http://futureredbirds.wordpress.com/?p=897#comment-14324 why wait? i should be leaning on your input for more snazzy blog post titles, fritz why wait? i should be leaning on your input for more snazzy blog post titles, fritz

]]> By: alex http://futureredbirds.com/2008/02/04/glove-love/#comment-14323 alex Wed, 06 Feb 2008 03:23:48 +0000 http://futureredbirds.wordpress.com/?p=897#comment-14323 Next year, you gotta go with "Smell the Glove." Next year, you gotta go with “Smell the Glove.”

]]> By: red blazer http://futureredbirds.com/2008/02/04/glove-love/#comment-14322 red blazer Wed, 06 Feb 2008 00:01:33 +0000 http://futureredbirds.wordpress.com/?p=897#comment-14322 Thanks. I was hoping Cruz would be mint with the glove. I would have checked out the spread sheet but I'm at home all week and my P.c. here is hamstringed a bit... Thanks. I was hoping Cruz would be mint with the glove. I would have checked out the spread sheet but I’m at home all week and my P.c. here is hamstringed a bit…

]]> By: erik http://futureredbirds.com/2008/02/04/glove-love/#comment-14321 erik Tue, 05 Feb 2008 20:45:30 +0000 http://futureredbirds.wordpress.com/?p=897#comment-14321 it's just you :) it’s just you :)

]]> By: Arch Support http://futureredbirds.com/2008/02/04/glove-love/#comment-14320 Arch Support Tue, 05 Feb 2008 20:37:31 +0000 http://futureredbirds.wordpress.com/?p=897#comment-14320 Is it just me, or is "Glove Love" a dirty name for a baseball post? Is it just me, or is “Glove Love” a dirty name for a baseball post?

]]> By: ICBIRDFAN http://futureredbirds.com/2008/02/04/glove-love/#comment-14319 ICBIRDFAN Tue, 05 Feb 2008 19:56:38 +0000 http://futureredbirds.wordpress.com/?p=897#comment-14319 AZRUAVATAR- Thanks for the breakdown!! You gave me exactly what I wanted. I knew there was some sort of range but was not quite sure what the range was for each category of fielder. I was looking at too narrow of a range. As you can see I was trying to compare a 1.2 to a 2.6 where they might was well be equal. thanks AZRUAVATAR-

Thanks for the breakdown!! You gave me exactly what I wanted. I knew there was some sort of range but was not quite sure what the range was for each category of fielder. I was looking at too narrow of a range. As you can see I was trying to compare a 1.2 to a 2.6 where they might was well be equal.

thanks

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