Karl Alzner
D · Born September 24, 1988
Age in each postseason series
- 2010 Conference quarterfinals (April 15, 2010), Capitals vs Canadiens 3–4: 21 years, 203 days
- 2011 Conference quarterfinals (April 13, 2011), Capitals vs Rangers 4–1: 22 years, 201 days
- 2011 Conference semifinals (April 29, 2011), Capitals vs Lightning 0–4: 22 years, 217 days
- 2012 Conference quarterfinals (April 12, 2012), Capitals vs Bruins 4–3: 23 years, 201 days
- 2012 Conference semifinals (April 28, 2012), Capitals vs Rangers 3–4: 23 years, 217 days
- 2013 Conference quarterfinals (May 2, 2013), Capitals vs Rangers 3–4: 24 years, 220 days
- 2015 1st round (April 15, 2015), Capitals vs Islanders 4–3: 26 years, 203 days
- 2015 2nd round (April 30, 2015), Capitals vs Rangers 3–4: 26 years, 218 days
- 2016 1st round (April 14, 2016), Capitals vs Flyers 4–2: 27 years, 203 days
- 2016 2nd round (April 28, 2016), Capitals vs Penguins 2–4: 27 years, 217 days
- 2017 1st round (April 13, 2017), Capitals vs Maple Leafs 4–2: 28 years, 201 days
- 2017 2nd round (April 27, 2017), Capitals vs Penguins 3–4: 28 years, 215 days
Age in each season
- 2008-09 (Capitals): 20 years, 7 days to 20 years, 218 days
- 2009-10 (Capitals): 21 years, 7 days to 21 years, 218 days
- 2010-11 (Capitals): 22 years, 7 days to 22 years, 218 days
- 2011-12 (Capitals): 23 years, 7 days to 23 years, 219 days
- 2012-13 (Capitals): 24 years, 7 days to 24 years, 218 days
- 2013-14 (Capitals): 25 years, 7 days to 25 years, 218 days
- 2014-15 (Capitals): 26 years, 7 days to 26 years, 218 days
- 2015-16 (Capitals): 27 years, 7 days to 27 years, 219 days
- 2016-17 (Capitals): 28 years, 7 days to 28 years, 218 days
- 2017-18 (Canadiens): 29 years, 7 days to 29 years, 218 days
- 2018-19 (Canadiens): 30 years, 7 days to 30 years, 218 days
- 2019-20 (Canadiens): 31 years, 7 days to 31 years, 219 days