When you dream of playing with the ball it represents fulfilment. The other meaning of this dream could represent you connecton within your subliminal world. If you dream of seeing others playing with the ball, it shows that you should not be afraid to take the lead in various situations in your life. This dream shows that you do not trust yourself and afraid to take risks. Make sure you pass this barrier, try to act without thinking of consequences and only then you will be able to be bravier.
Read more about dreaming of Ball in other dream meanings interpretations.