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Houston Astros starting pitcher Andy Pettitte (21) throws during game 2 of the World Series at U. S. Cellular Field, October 23, 2005 in Chicago. (UPI Photo/Mark Cowan Stock Photo - Alamy

Houston Astros starting pitcher Andy Pettitte (21) throws during game 2 of the World Series at U. S. Cellular Field, October 23, 2005 in Chicago. (UPI Photo/Mark Cowan Stock Photo - Alamy

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Houston Astros starting pitcher Andy Pettitte delivers a pitch against the Chicago White Sox during the first inning of game 2 of the World Series at U. S. Cellular Field, October 23

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Andy Pettitte rejoins the Yankees as a pitching adviser and is excited about his new role