 The commission did not investigate Graves' claim, however, and accepted the story on the basis that Graves' account offered the kind of mythical beginning to a sport they wanted to promote as fundamentally American.A number of circumstantial inconsistencies suggested that Graves' story was most likely fabricated.Despite all of the unanswered questions, Mills wrote a memo known as the "Mills Commission Report" that proclaimed Doubleday the inventor of the game of baseball.