Reading in the TIMES about Agass's back and being injected  with a cortisone injection for the thirteenth  time  in his career, reveals a big ego in the man. Similar to many sportsmen they cannot let go. If anyone wants to know about the dangers of cortisone read this or look at former NFL players who risked glory for health.

The cortisone rots the ligaments and bone

Read this, it may save your career and body. Health is wealth

 http://blog.garymoller.com/2009/10/heel-spurs-is-there-any-danger-in-one.html

Not to mention that cortisone shots can be horribly painful. I once had one in my shoulder and fainted from the pain. I'd rather live with shoulder pain that go through that again.