Conversation so far:
Why did Roger Clemens return to the Yankess?
Clemens unexpectedly appeared in the owner's box at Yankee Stadium on May 6, 2007.
Why did he appear there?
during the seventh-inning stretch of a game against the Seattle Mariners, and made a brief statement.

Question: What was his statement?
Self-contained rewrite: What was Roger Clemens' statement?