Fastball grip

When throwing a two or four seam fastball is it better to grip the ball tightly or is it better like some people say to put the smallest amout of skin on the ball?

a tight grip will take velocity off, which is not what you want when throwing a fastball.

A tight grip will also make consistency nearly impossible.

Gripping the ball tight and with a lot of skin is the difference between a fastball and a change-up. That’s why a change-up is slower.