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.
What was his statement?
"Thank y'all.
Well they came and got me out of Texas, and uhh, I can tell you it's a privilege to be back.
I'll be talkin' to y'all soon..
Did he do anything of recognition for them?
Clemens made his 2007 return on June 9, defeating the Pittsburgh Pirates by pitching six innings with seven strikeouts and 3 runs allowed.
Did he lose any games?
On July 2, Clemens collected his 350th win against the Minnesota Twins at Yankee Stadium.
Did he receive any awards for his time playing?
Clemens finished the 2007 regular season with a record of 6-6 and a 4.18 ERA.
Does he still play for the Yankees?
Yankees manager Joe Torre removed Clemens from the roster due to his injury.

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