[討論] First impressions: Buchholz vs. Kennedy

看板NY-Yankees作者numblife時間17年前 (2007/09/05 01:59)推噓9(9推 0噓 1→)

留言10則, 5人參與討論串1/1

Carlos Gomez寫了一篇關於兩人的比較作者在他網頁放了兩人投球動態圖分析對照，相當值得前去一看 http://0rz.tw/5433S 這篇分析有點長度，我只挑重點翻一下文章可能還是要配合圖看圖有很精細的比較 First impressions: Buchholz vs. Kennedy 讓我們來看看這兩個孩子八扣子 vs. 阿甘 Clay Buchholz has made two major league starts. In case you haven't heard, one was pretty good. Ian Kennedy has made one major league start. In a Draft Review I wrote last year, I said this about Kennedy: 八扣子已經在大聯盟先發兩場了，有一場投的相當理想阿甘則是先發過一場了，我記得我去年寫下關於阿甘的一段： "Another guy with outstanding arm action. Throws to a firm front side, which again helps ward off shoulder troubles. A guy in the Prior/Reyes mold although he has better tempo than Prior. A good pick here. He looks very polished. 又是個擁有傑出手臂動作的傢伙，穩定的身體前側投球，並且避掉肩膀的麻煩，這孩子有Prior/Reyes的模式而且有比 Prior更好的節奏，他看起來是那樣的閃閃動人，真是好物.... I followed up that favorable review by answering a few readers' questions (in the "comments" section) in which I addressed Kennedy: 然後我接著回答一些讀者的問題談到阿甘： "A guy who I'm starting to like more and more is Ian Kennedy. The more I watch the video, slow it down, the more I'm intrigued. I'd bet you really like his delivery. If you haven't checked it already, go ahead and check it out." "If your mechanics look like Kennedy's, you're OK with me...." 我越來越愛阿甘了，我越看影片，把它放慢看，我就越被他迷住 (靠這一段好西斯) 我確信你也會愛上他的投球，如果你還沒看過，緊去看阿... 如果你投起來跟阿甘很像你也能夠讓我愛上.... Are three starts and a couple of draft videos enough of a sample to determine which pitcher you'd rather have? Probably not. But it's sure gonna be fun to try. 三場先發跟幾支錄影帶就足夠影響你對投手的想法嗎? 也許不能，但試試看吧，挺有趣的 Today, we examine these pitchers' mechanics, approach and stuff to try to answer the question: Buchholz or Kennedy? 今天我們檢測這些投手的投球技法，路徑跟球種威力，來試著討論是八扣子還是阿甘屌? Two very different deliveries 兩種不同的投球 Let's highlight some of the major differences: 讓我們來看看一些主要的不同點： 1)八扣子身體放的更低，比阿甘更有效率　 2)另一方面呢，阿甘則有比較好的手臂動作 3)談到手臂的放球點，阿甘從相當完美典型的四分之三放球點投出 4)兩位投手完成動作都很不賴，不過我會給阿甘加點分，因為他優異的身體前側投球技法 5)八扣子放鬆之後手掉太多，雖然掉的幅度不是很大，但意味著阿甘還保持住比較好的防禦位置。那為什麼八扣子手會掉呢?　一般來說，當頭往那裡，身體就會隨之而行。關於投球技法的話題先打住，來談談球種威力： Fastball 快速球阿甘快速球通常在89-91麥，偶爾有到92麥，而八扣子的速球大概在90-93之間，大概是因為他的身體放的夠低，阿甘的快速球有著更佳的橫向移動，兩位投手的快速球都屬於"飛球型"。 Curve/Slider 曲球/滑球兩位都有這種球路，八扣子的曲球變化大且相當噁心，阿甘的則沒那麼變態，差不多是滑曲球那樣的幅度而已。這兩人面對打者的解決方案也不太一樣：阿甘大部分是讓打者 "揮棒落空"。而八扣子的策略是，當打者預期是快速球時，會來顆大曲球凍結打者。 1) Buchholz' lower body is more active than Kennedy's. Even though their tempo looks similar, you can clearly see how much more energy and momentum Buchholz carries into footplant. Kennedy is more of a "tall and fall" guy and glides into footplant more passively. Both pitchers take 25 frames of video (at 30 frames/second) from the time each gets to the top of his knee lift to the time they release. Buchholz has a higher leg lift. Simply put, he covers more distance in the same amount of time (meaning he has better body speed). Buchholz leads with his hips better as well. He does so while keeping his back shoulder over the rubber, creating a different "shoulder tilt." This tilt matches their respective release points, as I'll show you later. As I mentioned in my Draft Awards article, I call that "the move." This is what I mean...(and yes, I know the camera angles are different). (見附圖) Buchholz has the more aggressive body move I prefer. 2) On the other hand, Kennedy has better arm action. He loads the scapula better, seems to have better elbow external rotation, and just looks "whippier" than Buchholz's arm action. Here's a clip: (見附圖) 3) Speaking of arm slot/release point, Kennedy throws from a pretty typical three-quarters release point. Buchholz' high arm slot resembles an Iron Mike Pitching Machine. Check out these stills: (見附圖) I'm not a big fan of changing pitchers' release points, but I prefer Kennedy's for one simple reason. In terms of command and rotational efficiency, a pitcher is better off not moving his head out of way to make room for his arm. You can clearly see how much more head movement Buchholz has in the few frames leading up to release. I do think Buchholz' release point adds to his deception and works for him, as I'll explain later. 4) Both finish their pitches very well, although I'd give the slight edge to Kennedy because of his superior front-side mechanics. One of the very noticeable traits of "Tom House" mechanics (think Mark Prior and Randy Johnson) is how well they firm up the glove side and "tighten up" to prevent them from "pulling off the pitch" and to get better "extension." In the still picture above, notice the position of the glove and the lead arm elbow. Does it not look like Kennedy is "out in front" more? Speaking of Tom House, it used to be that you could tell who was a "Tom House guy" by noticing a pitcher's front-side mechanics and (unfortunately) his passive lower body (the whole "tall and fall" thing). Fortunately, I now hear that he advocates more of a momentum/tempo-based approach with a more active lower body. 5) Buchholz falls to his left after release. Not a biggie, but it puts Kennedy in better fielding position. Why does he fall to his left? Generally speaking, wherever the head goes, the body will follow. Let's step away from mechanics and talk about their stuff... Fastball From what I've seen so far, Kennedy's fastball comes in 89-91 mph with the occasional 92. Buchholz's fastball (probably because of his better lower body mechanics) has a little more zip to it as it comes in at 90-93 mph with the occasional 94. Mostly due to their respective release points, Kennedy's fastball has more lateral movement (in to righties) than Buchholz' almost straight over-the-top fastball. Due to truer 6 to 12 backspin (again, think release point) and better velocity, Buchholz' fastball has better "hop" at the end. Both pitchers' fastballs are "fly ball" fastballs. Curve/Slider Both pitchers throw a curve and a slider. Buchholz has a nasty, big-breaking and a more 12-6 type of deuce. Kennedy's curve has a smaller, slurvier break to it. He seems to favor his slider/slurve over his curve, while Buchholz certainly uses his curve more than his average slider. Kennedy's breaking pitches are more of a "swing and a miss" variety while Buchholz is better able to use his big curve to also freeze hitters expecting a high fastball. I'd like to point out again how their release points come into play here. With his higher release point, Buchholz is probably better off by sticking to his big, sharp curveball. Kennedy is better suited to throwing a slider/slurve that starts on the same (flatter) plane as his fastball and changeup. I've done a few voice-over video analyses that talk about releasing pitches on the same plane and their effect on hitters. 有錯請指正:) from :http://www.hardballtimes.com/main -- ※ 發信站: 批踢踢實業坊(ptt.cc) ◆ From: 59.116.18.41