He was a non-roster invitee to major league camp .
Heading into 2010 , Rosenberg made his first BA Prospect list appearance , clocking in at # 24 , and on John Sickels ' list at # 15 .
Rosenberg was a non-roster Rosenberg to major league camp .
Heading into 2010 , Rosenberg made his first BA Prospect list appearance , clocking in at # 24 , and on John Sickels ' list at # 15 .