Jason Giambi
1B · Born January 8, 1971
Age in each postseason series
- 2000 ALDS (October 3, 2000), Athletics vs Yankees 2–3: 29 years, 269 days
- 2001 ALDS (October 10, 2001), Athletics vs Yankees 2–3: 30 years, 275 days
- 2002 ALDS (October 1, 2002), Yankees vs Angels 1–3: 31 years, 266 days
- 2003 ALDS (September 30, 2003), Yankees vs Twins 3–1: 32 years, 265 days
- 2003 ALCS (October 8, 2003), Yankees vs Red Sox 4–3: 32 years, 273 days
- 2003 World Series (October 18, 2003), Yankees vs Marlins 2–4: 32 years, 283 days
- 2005 ALDS (October 4, 2005), Yankees vs Angels of Anaheim 2–3: 34 years, 269 days
- 2006 ALDS (October 3, 2006), Yankees vs Tigers 1–3: 35 years, 268 days
- 2007 ALDS (October 4, 2007), Yankees vs Indians 1–3: 36 years, 269 days
- 2009 NLDS (October 7, 2009), Rockies vs Phillies 1–3: 38 years, 272 days
Age in each season
- 1995 (Athletics): 24 years, 83 days to 24 years, 266 days
- 1996 (Athletics): 25 years, 84 days to 25 years, 267 days
- 1997 (Athletics): 26 years, 83 days to 26 years, 266 days
- 1998 (Athletics): 27 years, 83 days to 27 years, 266 days
- 1999 (Athletics): 28 years, 83 days to 28 years, 266 days
- 2000 (Athletics): 29 years, 84 days to 29 years, 267 days
- 2001 (Athletics): 30 years, 83 days to 30 years, 266 days
- 2002 (Yankees): 31 years, 83 days to 31 years, 266 days
- 2003 (Yankees): 32 years, 83 days to 32 years, 266 days
- 2004 (Yankees): 33 years, 84 days to 33 years, 267 days
- 2005 (Yankees): 34 years, 83 days to 34 years, 266 days
- 2006 (Yankees): 35 years, 83 days to 35 years, 266 days
- 2007 (Yankees): 36 years, 83 days to 36 years, 266 days
- 2008 (Yankees): 37 years, 84 days to 37 years, 267 days
- 2009 (Athletics, Rockies): 38 years, 83 days to 38 years, 266 days
- 2010 (Rockies): 39 years, 83 days to 39 years, 266 days
- 2011 (Rockies): 40 years, 83 days to 40 years, 266 days
- 2012 (Rockies): 41 years, 84 days to 41 years, 267 days
- 2013 (Indians): 42 years, 83 days to 42 years, 266 days
- 2014 (Indians): 43 years, 83 days to 43 years, 266 days