How old were they?

Rafael Devers

3B · Born October 24, 1996

Age in each postseason series

1. 2017 ALDS (October 5, 2017), Red Sox vs Astros 1–3: 20 years, 346 days
2. 2018 ALDS (October 5, 2018), Red Sox vs Yankees 3–1: 21 years, 346 days
3. 2018 ALCS (October 13, 2018), Red Sox vs Astros 4–1: 21 years, 354 days
4. 2018 World Series (October 23, 2018), Red Sox vs Dodgers 4–1: 21 years, 364 days
5. 2021 AL Wild Card (October 5, 2021), Red Sox vs Yankees 1–0: 24 years, 346 days
6. 2021 ALDS (October 7, 2021), Red Sox vs Rays 3–1: 24 years, 348 days
7. 2021 ALCS (October 15, 2021), Red Sox vs Astros 2–4: 24 years, 356 days

Age in each season

1. 2017 (Red Sox): 20 years, 159 days to 20 years, 342 days
2. 2018 (Red Sox): 21 years, 159 days to 21 years, 342 days
3. 2019 (Red Sox): 22 years, 159 days to 22 years, 342 days
4. 2020 (Red Sox): 23 years, 160 days to 23 years, 343 days
5. 2021 (Red Sox): 24 years, 159 days to 24 years, 342 days
6. 2022 (Red Sox): 25 years, 159 days to 25 years, 342 days
7. 2023 (Red Sox): 26 years, 159 days to 26 years, 342 days
8. 2024 (Red Sox): 27 years, 160 days to 27 years, 343 days
9. 2025 (Giants): 28 years, 159 days to 28 years, 342 days