Скачать с ютуб 【中譯】投球基礎教學No.13》Hoffman介紹他的變速球進化史 в хорошем качестве

【中譯】投球基礎教學No.13》Hoffman介紹他的變速球進化史

＊This translated video was/is/will be not-for-profit. That means no advertisement will relate to this video, and I will make no income from this video. The video is only for Chinese baseball lovers to improve their skills or fans to enjoy the game. ＊版權所有／All rights reserved：MLB Network ＊原影片連結：   • Pointers from the Pros - Trevor Hoffman   ＊本片永不做營利用途，不會連結任何廣告，只是為了讓棒球愛好者學習技巧，或享受比賽樂趣。 ＊任何翻譯錯誤請糾正，各位有什麼有興趣，希望我翻譯的片段也可以留言分享喔～歡迎戳我喔！