J. J. Hardy
SS · Born August 19, 1982
Age in each postseason series
- 2008 NLDS (October 1, 2008), Brewers vs Phillies 1–3: 26 years, 43 days
- 2010 ALDS (October 6, 2010), Twins vs Yankees 0–3: 28 years, 48 days
- 2012 AL Wild Card (October 5, 2012), Orioles vs Rangers 1–0: 30 years, 47 days
- 2012 ALDS (October 7, 2012), Orioles vs Yankees 2–3: 30 years, 49 days
- 2014 ALDS (October 2, 2014), Orioles vs Tigers 3–0: 32 years, 44 days
- 2014 ALCS (October 10, 2014), Orioles vs Royals 0–4: 32 years, 52 days
- 2016 AL Wild Card (October 4, 2016), Orioles vs Blue Jays 0–1: 34 years, 46 days
Age in each season
- 2005 (Brewers): 22 years, 225 days to 23 years, 43 days
- 2006 (Brewers): 23 years, 225 days to 24 years, 43 days
- 2007 (Brewers): 24 years, 225 days to 25 years, 43 days
- 2008 (Brewers): 25 years, 226 days to 26 years, 43 days
- 2009 (Brewers): 26 years, 225 days to 27 years, 43 days
- 2010 (Twins): 27 years, 225 days to 28 years, 43 days
- 2011 (Orioles): 28 years, 225 days to 29 years, 43 days
- 2012 (Orioles): 29 years, 226 days to 30 years, 43 days
- 2013 (Orioles): 30 years, 225 days to 31 years, 43 days
- 2014 (Orioles): 31 years, 225 days to 32 years, 43 days
- 2015 (Orioles): 32 years, 225 days to 33 years, 43 days
- 2016 (Orioles): 33 years, 226 days to 34 years, 43 days
- 2017 (Orioles): 34 years, 225 days to 35 years, 43 days