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Barry Zito – Society for American Baseball Research
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Zito gets Giant deal
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Can the A's win 20 straight again? Scott Hatteberg sees a key
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The (New) Old Barry Zito And His (New) Old Pitch
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Baseball Was My God': Barry Zito On San Francisco Giants, Oakland
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Barry Zito Announces Retirement - MLB Trade Rumors
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Barry Zito announces his retirement - NBC Sports
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Barry Zito Announces Retirement - CBS Sacramento
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