You should know Facts you should know about pitching. Therefore, developing arm strength, a conditioning program and a stretching routine, will make you a physically complete pitcher. Many young pitchers start with improper throwing mechanics and continue to use them in the years that follow, leading to pain and the non-development of their arm strength. Young pitchers learn from visualization, explanation, and an understanding of how to achieve success by actually performing what they learned.
Concentration comes from relaxation.
If a young pitcher feels good about his mechanics and develops self-esteem, focusing on the task at hand will be easier. Youth pitchers throw too many pitches in games and aren't monitored. A lot of youth coaches can't spot mechanic problems as well as the trained eye of a professional pitching coach. But by learning the basics and key points of the mechanics, they can become a good teacher.