Oscar Pistorius has brought the question into the spotlight and more athletes are asking the same question: Just what is a performance enhancer, anyway? Jim Caple finds there is no easy answer.
Perhaps it's for the best that the Indians lost, in that Paul Byrd's being tied to HGH use would've gained in intensity had Cleveland advanced to the World Series.
Are you rooting for Barry Bonds to break Hank Aaron's home run record? You have 21 home runs to decide, writes Jim Caple.