Is a 1987 topps Barry bonds error card worth a lot of money? - Quora
Giants send Barry Zito to bullpen
Don't bet against us Barry Zito's Playoff Blog
Barry Zito – Society for American Baseball Research
9 Intriguing Facts About Barry Melrose
Former SF Giants pitcher Barry Zito finds second career in music
MLB Power Rankings: Barry Zito and the 50 Worst Contracts in Baseball, News, Scores, Highlights, Stats, and Rumors
Zito gets Giant deal
At Home with Barry Zito
Quick Celeb Facts Barry Zito Biography; Wife, Net Worth, Salary, Children, Height