I have studied your case.
Pectoralis major inflammation and tear are common in sports person.
You may need to do MRI
for confirming diagnosis and further management.
I will advise to consult orthopaedic surgeon
or a sports medicine
Here are my other useful suggestions to you:
Avoid lifting weights,do not stretch muscle
You can consult physiotherapist for help.
Hope this answers your query. If you have additional questions or follow up queries then please do not hesitate in writing to us. I will be happy to answer your queries.
Wishing you good health.