A Basketball is spherical and varies in size with different basketball leagues ... Nike is also an American company founded in 1964. Nike 4005 ball is used as the official ball in some tournaments ...

In basketball, the WNBA uses a ball one inch smaller in circumference ... they find it will actually benefit us to play with a size 4.5 then I am sure we will work something out.

Spalding changed the color, and college basketball, as well as the NBA, adapted it immediately. That's not the only difference in WNBA and NBA basketballs. The NBA uses size 7 balls, while the ...