How old were they?

Carlos Rosa

P · Born September 21, 1984

Age in each season

1. 2008 (Royals): 23 years, 193 days to 24 years, 10 days
2. 2009 (Royals): 24 years, 192 days to 25 years, 10 days
3. 2010 (Diamondbacks): 25 years, 192 days to 26 years, 10 days