Mark McGwire before and after roids.

Baseball's Lie and the Steroid Era

If MLB players like Mark McGwire, Sammy Sosa and Barry Bonds had never used steroids, how good would their stats and legacy have been? - Quora

Welcome Back Mark McGwire, Savior of Baseball

Former slugger Mark McGwire admits steroid use throughout 1990s

Steroid Era by on emaze

Mark McGwire says it 'seems like' baseball stars linked to steroid scandal being treated unfairly

Athletes Before and After Steroid Use

American View: McGwire denies steroids link

In statement to AP, Mark McGwire admits using steroids