Steroids are banned, but there was no real policy in place before 2005. It's generally understood that use goes back to the late 1980s, but the League and Owners pretty much turned a blind eye as long as they could. They've got a policy and testing now, but there's not much anybody can do about the earlier era.

Heh - your Royals team needs a whole lot, starting with a much better front office. Which is kind of ironic, since three of the SABR (Society for American Baseball Research) big names grew up Kansas City fans. (Bill James, Rany Jayazerli, Rob Neyer)