大学野球における配球について : カウント0-0における投球の分析

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  • ダイガク ヤキュウ ニ オケル ハイキュウ ニ ツイテ : カウント 0-0 ニ オケル トウキュウ ノ ブンセキ
  • Daigaku yakyu ni okeru haikyu ni tsuite : kaunto 0-0 ni okeru tokyu no bunseki
  • The study of combination of pitches in college baseball

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Abstract

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The purpose of this study was to analyze the combination of pitches in college baseball games. The subjects were 981pitches that it was thrown a ball in a case of count 0-0 with the right handed pitcher vs. the right handed hitter except the case that a hitters attempted to bunt in 39 games performed in a season of autumn, 2008 of Tokyo Big 6 Baseball League. We used the Chart to record a type of pitch, location, result of pitch, moreover, recorded the process (seeing or swinging or the foul ball) when pitcher took strike. The results were summarized as follows: 1) 53.7% were fast balls and 30.3% were sliders among all pitches. The pitchers assembled a pitch with the ball which had a good control such as a fast ball and a slider, and they were attempting to deliver to the outside course or the low course intentionally. 2) The pitchers should take a strike in advance, because the probability that the hitters made mistake of in batting was considerably high. 3) The hitters had many cases preparing for a fast ball basically. About the course, the hitters had many cases expecting for the course of center and middle, inside and middle. In addition, the hitters selected from a type of pitch and the course that swung. 4) A curve and a slider were effective to take the strike by seeing. A fast ball was particularly effective to take the strike by the foul ball. A slider and a splitter especially were effective to take the strike by swinging, but we should consider that ratio of a hit was high. 5) In the course of inside and low, center and low, outside and middle, outside and low, it was useful to take the strike by seeing. In the course of inside and low, outside and low, it was useful to take the strike by swinging. In the course of high, inside and middle, it was useful to take the strike by the foul ball.

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