John Koronka
P · Born July 3, 1980
Age in each season
- 2005 (Cubs): 24 years, 272 days to 25 years, 90 days
- 2006 (Rangers): 25 years, 272 days to 26 years, 90 days
- 2007 (Rangers): 26 years, 272 days to 27 years, 90 days
- 2009 (Marlins): 28 years, 272 days to 29 years, 90 days