棒球的投手球速問題 - 健身

By George
at 2009-08-04T00:00
at 2009-08-04T00:00
Table of Contents
請問懂棒球的人投手的球速要怎麼提升呢有什麼方法請各位給個解答吧
Tags:
健身
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By Franklin
at 2009-08-08T08:54
at 2009-08-08T08:54

By Necoo
at 2009-08-08T02:54
at 2009-08-08T02:54

By Liam
at 2009-08-06T14:08
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By Mason
at 2009-08-05T08:07
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By Poppy
at 2009-08-07T19:15
at 2009-08-07T19:15

By Aaliyah
at 2009-08-05T10:45
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By Todd Johnson
at 2009-08-07T23:06
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By Yuri
at 2009-08-06T22:53
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