Justin Masterson
P · Born March 22, 1985
Age in each postseason series
- 2008 ALDS (October 1, 2008), Red Sox vs Angels of Anaheim 3–1: 23 years, 193 days
- 2008 ALCS (October 10, 2008), Red Sox vs Rays 3–4: 23 years, 202 days
- 2013 AL Wild Card (October 2, 2013), Indians vs Rays 0–1: 28 years, 194 days
Age in each season
- 2008 (Red Sox): 23 years, 10 days to 23 years, 193 days
- 2009 (Red Sox, Indians): 24 years, 10 days to 24 years, 193 days
- 2010 (Indians): 25 years, 10 days to 25 years, 193 days
- 2011 (Indians): 26 years, 10 days to 26 years, 193 days
- 2012 (Indians): 27 years, 10 days to 27 years, 193 days
- 2013 (Indians): 28 years, 10 days to 28 years, 193 days
- 2014 (Indians, Cardinals): 29 years, 10 days to 29 years, 193 days
- 2015 (Red Sox): 30 years, 10 days to 30 years, 193 days