Because its unlike any other sport! It involves superior endurance and stamina, a high level of mental toughness( just below runners), and its a sport played with the FEET not the hands. We use our hands to do everything! Trowing is a natural action. Just like a QB passes a ball to a WR a … Read more
Because theres so many aspects.
Stamina,
speed,
footwork,
skillwork,
agility,
confidence,
agression,
body position,
knowledge on whereto hit the ball
fake outs,
so many things