Hayden Penn
P · Born October 13, 1984
Age in each season
- 2005 (Orioles): 20 years, 170 days to 20 years, 353 days
- 2006 (Orioles): 21 years, 170 days to 21 years, 353 days
- 2009 (Marlins): 24 years, 170 days to 24 years, 353 days
- 2010 (Pirates): 25 years, 170 days to 25 years, 353 days