if you read ALL the things hgh, steroids, and all the other drugs athletes take will do for you, you'll see the one big advantage from these illegal drugs is the better hand eye coordination.
short hoime runs would have been long outs. better recover time.. etc...
bottom line , its cheating... same way 99% of bodybuilders, strongmen, sprinters, cyclists,football players etc. do.
if st louis has the greatest baseball fans like they say the last 100 years, then hopefully they boo mark mcguire for cheating.
i hate cheaters