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.
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。