Andy Pettitte's deposition in Brian McNamee's defamation case against Roger Clemens took place Wednesday in Manhattan, McNamee attorney Richard Emery said.

In the lawsuit, McNamee, Clemens' former trainer, says Clemens defamed him by saying he lied about injecting Clemens with performance-enhancing drugs.

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Pettitte has testified that Clemens admitted using human growth hormone to him, but he acknowledged during Clemens' criminal perjury trial last year he may have misunderstood him.

Pettitte may wind up seeing Clemens -- once a close friend -- when the Yankees visit Houston this weekend. Now a special assistant to the Astros general manager, Clemens will be a part of the Astros' pregame ceremony honoring Rivera before his final game Sunday.

Extra bases

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Roger Clemens will have a byline in Friday's editions of the Houston Chronicle with a story about Rivera, sports editor Nick Mathews said . . . The Yankees activated Travis Hafner and placed CC Sabathia on the disabled list. Hafner hasn't played since July 26 because of a shoulder injury.