Proctor ' s breaking ball is not his best pitch ; his 96 mile - an - hour fastball is 天天p的变化球并不是他的最佳球路， 96哩的快速直球才是。
2.
A good sinker - - which essentially is a fastball thrown with a roll of the wrist to create downward movement - - drops sharply as it approaches the plate and typically results in the batter - hitting a ground ball 一个好伸卡球，这实质上是建立在快速直球利用手腕动作产生向下的偏移，当它接近本垒板时突然下沉典型结果通常导致打击者会击出滚地球。
