Dan Haren
P · Born September 17, 1980
Age in each postseason series
- 2004 NLDS (October 5, 2004), Cardinals vs Dodgers 3–1: 24 years, 18 days
- 2004 NLCS (October 13, 2004), Cardinals vs Astros 4–3: 24 years, 26 days
- 2004 World Series (October 23, 2004), Cardinals vs Red Sox 0–4: 24 years, 36 days
- 2006 ALDS (October 3, 2006), Athletics vs Twins 3–0: 26 years, 16 days
- 2006 ALCS (October 10, 2006), Athletics vs Tigers 0–4: 26 years, 23 days
Age in each season
- 2003 (Cardinals): 22 years, 196 days to 23 years, 14 days
- 2004 (Cardinals): 23 years, 197 days to 24 years, 14 days
- 2005 (Athletics): 24 years, 196 days to 25 years, 14 days
- 2006 (Athletics): 25 years, 196 days to 26 years, 14 days
- 2007 (Athletics): 26 years, 196 days to 27 years, 14 days
- 2008 (Diamondbacks): 27 years, 197 days to 28 years, 14 days
- 2009 (Diamondbacks): 28 years, 196 days to 29 years, 14 days
- 2010 (Diamondbacks, Angels of Anaheim): 29 years, 196 days to 30 years, 14 days
- 2011 (Angels of Anaheim): 30 years, 196 days to 31 years, 14 days
- 2012 (Angels of Anaheim): 31 years, 197 days to 32 years, 14 days
- 2013 (Nationals): 32 years, 196 days to 33 years, 14 days
- 2014 (Dodgers): 33 years, 196 days to 34 years, 14 days
- 2015 (Marlins, Cubs): 34 years, 196 days to 35 years, 14 days