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On May 16, he was traded to the Pittsburgh Pirates for pitcher Rómulo Sánchez. The Pirates assigned Hacker to AAA-Indianapolis Indians.  Hacker was named the International League Player of the Week for the week ending August 9.
On December 18, 2009, Hacker signed a minor league contract with the San Francisco Giants.
- ↑ Mariano Rivera tosses off concerns. The Daily New. Retrieved on 2009-03-21.
- ↑ http://www.nj.com/yankees/index.ssf/2009/05/new_york_yankees_dfa_eric_hack.html
- ↑ "Bucs make Minors trade with Yanks", MLB.com, May 16, 2009. Retrieved on 2009-05-17.
- ↑ http://community.thetimes-tribune.com/blogs/yankees/archive/2009/08/10/hacker-named-pitcher-of-the-week.aspx