Your symptoms suggest intrarticular soft issue pathology like a SLAP or rotator cuff tear.
Try:
1. Regular shoulder exercises ( pendulum and ROM).
2. Hot water compression will help.
3.Medications like Tendocare and Enzomac forte will help.
Next Steps
Visit Orthopaedic Surgeon for clinical evaluation and X-Rays/ MRI.
Health Tips
Do not worry. You do no need to leave sports.