Gooood luck! Lighting isn't the best with indoor sports like that, especially with the dark dirt absorbing most of the light.
The
Fujifilm FinePix S1000fd has a 12x optical zoom for around $150-170 but it's discontinued on the usual photography equipment sites I browse. You want to look for the best optical zoom you can find.
http://www.bhphotovideo.com/c/shop/8...l_Cameras.html
Using the above link filter by price, optical zoom, etc. on the left side. Don't worry about megapixel too much, it's overrated.