AP: Jay McGwire says drugs aided big brother Mark

Mark McGwire's brother, Jay, says he introduced the slugger to

In this tell-all book, Jay McGwire provides an inside look at his reclusive older brother, baseball slugger Mark McGwire and their All-American,

Mark and Me: Mark McGwire and the Truth Behind Baseball's Worst-Kept Secret|Hardcover

There will never be another

Brother says he injected McGwire

Mark McGwire's Net Worth Shows Big Mac Saved More Than Just

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Mark McGwire's Bodybuilder Brother/ Steroid Cycle

After Much Silence, a Quick Admission and Apology - The New York Times

Senate Session, December 19, 2018

Mark McGwire - Wikipedia

The Commissioner of Baseball Is on Deck - The New York Times