Has anyone ever had pain under knee cap i also have pain in ball of foot and a numb toe?

Yes: With multiple symptoms you need to see a doctor to determine the cause.

Not related: Knee cap pain will not cause a numb toe.To receive an answer that will be more helpful for you , you need to give more information...Your health status, any problems such as gout, diabetes or blood pressure concerns.You should state how long it has been a problem and what you do to make it feel better.Also tells us what it looks like..Is it discolored, swollen or point tender.The more you tell the b.