Best article I've seen explaining Tigers 4th surgery. This is a different type of surgery than the 3 previous attempts.
http://www.globalgolfpost.com/now/2017/04/20/steinberg-woods-sense-relief-fusion-surgery
I work in the medical field and am in these types of surgical cases all the time. I def don't have a lot good to say about lumbar fusions for younger or highly active people. I will be shocked if he can compete again.