Tuesday, August 08, 2006

ages and innings

It's common knowledge that the average age of the pitchers who have hit Craig Biggio with a pitch through the 2005 season was 28.50 years, but you may not have heard that the average age of the pitchers who have plunked Biggio in 2006 is also 28.50 years. It's not exactly the same - 28.50388 to 28.50064, but this year's seven plunks have only moved the average age of the group down 0.00008.

Here are the year by year average ages of pitchers who hit Biggio with pitches, as well as the career averages as of the end of each season. 2006, or course, is season to date.
YearSeason Avg. AgeCareer Avg. Age
198930.2130.21
199027.3229.25
199129.6729.32
199227.1128.46
199330.0629.03
199429.0929.05
199528.6728.90
199627.9928.61
199726.7628.08
199828.5028.15
199931.1528.37
200031.9928.71
200127.3128.51
200227.8928.46
200328.0428.41
200429.0228.45
200529.3228.50
200628.5028.50


Pitchers who hit Craig Biggio with a pitch in the 4th inning tend to be the youngest, on average, at 27.37 years old, and the 139 HBPs that he's accumulated in the first 4 innings have been thrown by pitchers averaging 28.29 years old, while the 141 pitches he's been hit by in the 5th inning or later have been thrown by hurlers averaging 28.71 years of age. The 14 9th inning plunks have been thrown by pitchers with the highest average age at 29.90 (excluding the small data sets in the extra frames). The 7th inning plunkers have the 2nd highest average age at 29.17, but that has been dragged down this season by three 7th inning HBPs thrown by pitchers averaging 26.06 years.
Biggio's 4 other HBPs this season have come in the 3rd and 6th inning, and the average age for both of those innings has increased this season. 3rd inning plunkers have averaged 30.07 years old this season, raising the average fro 29.09 to 29.16. Pitchers who have hit Biggio in the 6th inning have averaged 31.13 years old this season, raising that average from 28.36 last year to 28.48 now.

InningAverage AgeHBPs
128.2356
227.8315
329.1641
427.3727
527.5135
628.4822
729.1738
828.9826
929.9014
1029.373
1130.971
1232.291
1326.731


Tonight's pitcher, Paul Maholm is about 24.12 years old.

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2 Comments:

At 8/08/2006 05:23:00 PM, Blogger Tom said...

How does the average age of Biggio plunkers compare to the average age of all pitchers in the league? (Consistently lower/higher/equal, alternately (by season)lower/higher/etc)

Can any predictions be made based on the information?

 
At 8/09/2006 09:42:00 AM, Blogger pbr said...

That sounds like a good thing to write about on Thursday. (Today will be the return of full moon stats)

 

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