Barry Zito, veteran pitcher, retires from baseball

The (New) Old Barry Zito And His (New) Old Pitch

Zito gives A's a desperately needed feel-good moment

Baseball's Big Three: A Look Back at Tim Hudson, Mark Mulder, and Barry Zito in Oakland

Barry Zito's bid for major league return makes stop in Fresno

Barry Zito - Wikipedia

Barry Zito announces his retirement - Mangin Photography Archive

Where Are They Now: Barry Zito – Skyline Sports

Barry Zito has been helpful for A's whether he makes team or not - Sports Illustrated

Barry Zito - Wikipedia

Dan Haren announces retirement - MLB Daily Dish

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