Left-hander Barry Zito headed for Triple-A

Barry Zito, veteran pitcher, retires from baseball

Giants LHP Zito injured early against Arizona - The San Diego Union-Tribune

Barry Zito shines in World Series debut for Giants - The San Diego Union-Tribune

Remembering Game 5 of the 2012 NLCS and Barry Zito, three years later - McCovey Chronicles

Barry Zito makes return in A's 5-1 loss to Astros

Barry Zito announces retirement from baseball - video Dailymotion

BARRY & BARRY / ZITO: Giants in talks for ex-A's lefty

Fielder beaning kicks off Brewers' spring training

BREAKING: Barry Zito Rejoins Oakland Athletics, Signs Minor League Deal

Barry Zito helps San Francisco avoid elimination in NLCS

AP sources: Barry Zito returning to A's on minor league deal

A Reality Check On The A's Signing Of Barry Zito - Athletics Nation

Giants add Big Unit, which gives the Dodgers' rivals 3 Cy Young winners in rotation – Whittier Daily News

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