I apologize if this article has been posted before. It is quite insightful.
An excerpt :
"Winstrol, or “Winny,” an injectable version of Stanozolol, is what Roger Clemens’s trainer claims he shot into the Rocket’s tush in 1998. It is also the most popular anabolic steroid in the world of equine athletes."
Jim Squires, NY Times
http://therail.blogs.nytimes.com/200...instrol-derby/