Throwing mechanics are complicated. But if you want to throw hard and safe you need good mechanics. If you read the articles below I am sure that you will learn a thing or two but you’ll probably end up with more questions as you peel back the layers of this onion that we call pitching mechanics.
Since this topic is so broad itself I wanted break into some subcategories
The Lower Body and how it contributes to Throwing Velocity
Rotational vs. Linear Power
Studies About Things That Help You Throw Harder and Safer