How old were they?

Kelvin Herrera

P · Born December 31, 1989

Age in each postseason series

1. 2014 AL Wild Card (September 30, 2014), Royals vs Athletics 1–0: 24 years, 273 days
2. 2014 ALDS (October 2, 2014), Royals vs Angels of Anaheim 3–0: 24 years, 275 days
3. 2014 ALCS (October 10, 2014), Royals vs Orioles 4–0: 24 years, 283 days
4. 2014 World Series (October 21, 2014), Royals vs Giants 3–4: 24 years, 294 days
5. 2015 ALDS (October 8, 2015), Royals vs Astros 3–2: 25 years, 281 days
6. 2015 ALCS (October 16, 2015), Royals vs Blue Jays 4–2: 25 years, 289 days
7. 2015 World Series (October 27, 2015), Royals vs Mets 4–1: 25 years, 300 days

Age in each season

1. 2011 (Royals): 21 years, 91 days to 21 years, 274 days
2. 2012 (Royals): 22 years, 92 days to 22 years, 275 days
3. 2013 (Royals): 23 years, 91 days to 23 years, 274 days
4. 2014 (Royals): 24 years, 91 days to 24 years, 274 days
5. 2015 (Royals): 25 years, 91 days to 25 years, 274 days
6. 2016 (Royals): 26 years, 92 days to 26 years, 275 days
7. 2017 (Royals): 27 years, 91 days to 27 years, 274 days
8. 2018 (Royals, Nationals): 28 years, 91 days to 28 years, 274 days
9. 2019 (White Sox): 29 years, 91 days to 29 years, 274 days
10. 2020 (White Sox): 30 years, 92 days to 30 years, 275 days