But I quickly saw success was not so much in how hard I threw as it was in where I placed my pitches .
How I could use the difference in speed between my fastball and changeup as long as the delivery for both pitches was the same .
But I quickly saw success was not so much in how hard I threw as it was in where I placed my pitches and how I could use the difference in speed between my fastball and changeup as long as the delivery for both pitches was the same .