Mark McGwire admitted yesterday to using steroids during his MLB career. Hours after releasing a statement on the issue, he sat down with Bob Costas for an hour-long interview on MLB Network. At times the slugger appeared visibly uncomfortable, an impression often accompanied by an array of strained facial expressions. Scroll down to check out a handful of them, and let us know: does McGwire seem contrite to you, or is it an act?
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