一篇分析陳偉殷球路變化的外電 - 日本職棒
By Dora
at 2016-05-14T02:23
at 2016-05-14T02:23
Table of Contents
標題: Wei-Yin Chen pitching lower in the strike zone
連結: http://goo.gl/Qcj8Mu
摘要: 1. 以往的陳是FIP > ERA, 但今年目前為止反過來。
今年目前ERA4.4, FIP 3.55, xFIP 3.7
2. ball in play打擊率0.329 比去年差
擊球速度(exit velocity) 89.9mph (去年87.6)
3. 滾球率 45% (去年39%)
內飛率(pop up) 0.8% (去年2.3%)
4. Heatmap顯示今年投球策略很明顯增加使用低好球帶
今年16.3% 前兩年14.8%
5. 提到馬林魚的投教一直以來是低球派。低球固然可以減少被全壘打,但
本季被全壘打減少也有可能是球場因素。而陳不再攻擊以往擅長的好球
帶上緣,損失的內飛一整年推算可能會多丟13分,滾球率增加頂多只要
回 4分,合併計算一年有可能損失半場win share。
6. 結論,隨著陳漸漸更適應這樣的投球策略,可能表現會更好。問題是,
這個「修正」是否拋棄了本來更有利的投球策略? (whether Chen and
the Marlins tried to fix something that simply was not broken)
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日本職棒
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By Kyle
at 2016-05-16T09:02
at 2016-05-16T09:02
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