The following is an excerpt from a blog on the official website of UFC heavyweight contender Shane Carwin:
I am going to pull out of the fight with Roy Nelson. As many of you know I have been having some back pain. I had an MRI yesterday and I have some damage that may really require surgery. If the doctors do not have to perform surgery then I will be out 8-12 weeks. If they do have to perform surgery I do not know how long I will be out of action.
Check out the full blog online at Shane-Carwin.com.