[閒聊] 殺豬公 上太空
"別人已經上太空了,我們還在殺豬公"
殺豬公的還是不見什麼改變,不過上太空的又更進步了..
How a Danish tech company is revolutionizing pitching data
http://tinyurl.com/3r4rm3s by Tom Verducci
說到影像技術在棒球場上的應用,Pitch-F/x已經為人熟知(殺豬公的例外)
新的影像科技 Trackman,則使用3D都卜勒雷達系統(我只知道3D肉圃團..)
可以幫助我們瞭解更多我們看到、但過去無法量化的事情到底是怎麼一回事
我們總是拿"球速"來研究一個投手的壓制力,但對打者來說,其實反應"時間"才是重點
當然,那是因為我們認為"距離"都是一樣的,對嗎?
David Robertson,一個洋基的中繼投手,僅僅僅次於三位有名的終結者
在現役至少投100局以上的投手中,三振率排名第四,不過他速球的平均球速只有93麥
咩居克?
讓 Trackman來告訴我們是怎麼一回事:雖然 Robertson身材不高大(5'11")
但他充份地縮短了球到打者的"距離",讓球看起來比測速槍上的數字來得更快
在一座美聯球場的資料中(應該是要錢的所以只有部分資料流出吧?)
Robertson的放球點離投手板的距離達7',而一般平均則是5'10"
換算下來,這縮短的14"竟然讓他的有效球速噴到95麥!!(投手板到本壘板的距離是60'6")
這是70年代就有的科技─測速槍所沒辦法解釋的神秘現象
讓我們看看還有哪些投手用這招"偷吃步":
Pitcher, Team 延伸距離 球速 飛行時間 有效球速
Dave Robertson, Yankees 7-0 93 .403 95
Sergio Santos, White Sox 6-10 96 .386 98
Jared Weaver, Angels 6-10 91 .411 93
Jeff Niemann, Rays 6-10 93 .401 95
Mark Hendrickson, Orioles 6-10 88 .422 90
Jamey Wright, Mariners 6-9 91 .410 93
Felix Hernandez, Mariners 6-8 94 .399 95
David Purcey, Blue Jays 6-8 93 .404 94
Gavin Floyd, White Sox 6-8 92 .407 93
Tommy Hunter, Rangers 6-7 91 .409 93
Average MLB 5-10 92 .416 92
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後面還有一段有人願意翻的嗎
--
※ 發信站: 批踢踢實業坊(ptt.cc)
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※ KevinYouklis:轉錄至看板 Baseball 04/16 14:38
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