Daisuke Matsuzaka
P · Born September 13, 1980
Age in each postseason series
- 2007 ALDS (October 3, 2007), Red Sox vs Angels of Anaheim 3–0: 27 years, 20 days
- 2007 ALCS (October 12, 2007), Red Sox vs Indians 4–3: 27 years, 29 days
- 2007 World Series (October 24, 2007), Red Sox vs Rockies 4–0: 27 years, 41 days
- 2008 ALDS (October 1, 2008), Red Sox vs Angels of Anaheim 3–1: 28 years, 18 days
- 2008 ALCS (October 10, 2008), Red Sox vs Rays 3–4: 28 years, 27 days
Age in each season
- 2007 (Red Sox): 26 years, 200 days to 27 years, 18 days
- 2008 (Red Sox): 27 years, 201 days to 28 years, 18 days
- 2009 (Red Sox): 28 years, 200 days to 29 years, 18 days
- 2010 (Red Sox): 29 years, 200 days to 30 years, 18 days
- 2011 (Red Sox): 30 years, 200 days to 31 years, 18 days
- 2012 (Red Sox): 31 years, 201 days to 32 years, 18 days
- 2013 (Mets): 32 years, 200 days to 33 years, 18 days
- 2014 (Mets): 33 years, 200 days to 34 years, 18 days