As a member of the Oneonta Tigers, Moscoso pitched the second perfect game in New York–Penn League history in a 6–0 victory over the Batavia Muckdogs on July 15, 2007.\n', '

Moscoso was acquired by the Texas Rangers from the Detroit Tigers along with pitcher Carlos Melo for catcher Gerald Laird on December 12, 2008.\n', '

On May 30, 2009, Moscoso made his major league debut against the Oakland Athletics, striking out 2 and pitching a scoreless ninth inning.\n', '

Return to Guillermo Moscoso Autograph Profile