http://www.mmaweekly.com/absolutenm/...4358&zoneid=13
http://www.mmaweekly.com/absolutenm/...4359&zoneid=13
They just say Sherk has high levels of Nandrolone which is a naturally occurring steroid. I don't know enough about Nandrolone to know if a person could natrually have as high a level as Sherk did.
I wonder what this will mean for the light weight title.