※ 引述《WillWaiting ()》之铭言：
: [quote]
: ... I believe, and I have nothing but intuition to back this up, that
: people who throw sliders lose their velocity more quickly than people
: who don't. As they get older, and their fastball slows down, they tend
: to rely more on the slider. The slider takes away from their velocity.
: And before too long, their velocity