How to Improve Your Curveball - Use The 80 Percent Rule

The video tutorial explains the 80% rule for developing a new pitch, particularly a curveball. It emphasizes starting at a slower speed and shorter distance, ensuring 80% of throws meet criteria before increasing speed and distance. Consistency in spin and mechanics is crucial. The tutorial warns against progressing too quickly, which can reinforce bad habits, and stresses the importance of gradual improvement to achieve game speed proficiency.

What should a pitcher do if they notice a decline in their performance while increasing speed?

Why is it important to trust the process and not rush the learning of a new pitch?