Last week at volleyball practice I blocked and rolled my ankle on the other persons foot therenis a dull pain and I don't wa t ti fo to the doctor?

Ankle sprain. Most likely you have sprained your ankle. I suggest you rest it, use Aleve (naproxen) or Ibuprofen for the swelling, and buy an ankle support at the pharmacy or sports store. If the pain continues you may need to see a doctor to get a x-ray.