"When I came off in the fourth, it just completely locked up and I got the trainer to give me a little massage down here with some heat, and it loosened up and loosened up really good, " Pettitte said.

WSJ: Pettitte hurt's back as Mariners beat Yankees 3-2

My parents taught me to never give up and to always believe that my future could be whatever I dreamt it to be.

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