Barry Zito says he rooted against the Giants in the 2010 World Series

San Francisco Giants pitcher Barry Zito adjusts his cap after Los Angeles Dodgers' Carl Crawford singled during the fourth inning of a baseball game in San Francisco, Wednesday, Sept. 25, 2013. San Francisco Giants pitcher Barry Zito adjusts his cap after Los Angeles Dodgers' Carl Crawford singled during the fourth inning of a baseball game in San Francisco, Wednesday, Sept. 25, 2013. Photo: Jeff Chiu, Associated Press Photo: Jeff Chiu, Associated Press Image 1 of / 29 Caption Close Barry Zito says he rooted against the Giants in the 2010 World Series 1 / 29 Back to Gallery

Former San Francisco Giants pitcher Barry Zito did not make the team's postseason roster during their 2010 World Series run, and admitted he rooted against the team as they won their first title since 1954.

"I rooted against the team because my ego was in full control and if we lost, then I could get out of there," Zito told The Chronicle's Ann Killion. "It would a) prove they couldn't do it without me, and b) take me out of the situation because I was so miserable coming to the field every day."

The three-time All-Star details the difficult situation in his new memoir, "Curveball."

In addition to rooting against the team, he states he called his father to let him know he was considering retirement, and destroyed his relationship with then-Giants closer Brian Wilson.

"He became the most famous guy in baseball while my career was tanking, and I literally couldn't handle it," Zito said of Wilson. "I pushed him away."

Zito stayed with the Giants through 2013, and said he ultimately rebounded after marrying his wife, Amber, in 2011, who guided him to Christianity.

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"I've been seeking truth my whole life, trying to find peace," he said. "I finally arrived at something and stopped looking."

Read more from The Chronicle.

Eric Ting is an SFGATE staff writer. Email: eric.ting@sfgate.com | Twitter:@_ericting