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Yankees' Andy Pettitte Announces Retirement: A 5-Time World
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Yankees Jorge Posada: Bernie Williams was key to success of Core
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Andy Pettitte Retires: The 10 'Most Clutch' Performances of His
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Andy Pettitte Retires: The 10 'Most Clutch' Performances of His
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Andy Pettitte: Yankees Dynasty Core Four player, 3x All-Star
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Andy Pettitte: Yankees Dynasty Core Four player, 3x All-Star
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Core Four - Wikipedia
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MLB Hall of Fame: Yankees' Andy Pettitte should fare better in
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Yankees' Andy Pettitte Announces Retirement: A 5-Time World
![Andy Pettitte: Yankees Dynasty Core Four player, 3x All-Star, Most Postseason Wins all-time, 7 seasons in the top 10 AL FIP - Italian Americans in Baseball](https://upload.wikimedia.org/wikipedia/commons/thumb/a/a6/Core_Four_on_Bernie_Williams_Day_2015.jpg/800px-Core_Four_on_Bernie_Williams_Day_2015.jpg)
Core Four - Wikipedia
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Andy Pettitte Retires: Power Ranking the 10 Greatest Pitchers in
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Andy Pettitte Retires: Power Ranking the Southpaw's 10 Greatest