Ketel Marte
2B · Born October 12, 1993
Age in each postseason series
- 2017 NL Wild Card (October 4, 2017), Diamondbacks vs Rockies 1–0: 23 years, 357 days
- 2017 NLDS (October 6, 2017), Diamondbacks vs Dodgers 0–3: 23 years, 359 days
- 2023 NL Wild Card (October 3, 2023), Diamondbacks vs Brewers 2–0: 29 years, 356 days
- 2023 NLDS (October 7, 2023), Diamondbacks vs Dodgers 3–0: 29 years, 360 days
- 2023 NLCS (October 16, 2023), Diamondbacks vs Phillies 4–3: 30 years, 4 days
- 2023 World Series (October 27, 2023), Diamondbacks vs Rangers 1–4: 30 years, 15 days
Age in each season
- 2015 (Mariners): 21 years, 171 days to 21 years, 354 days
- 2016 (Mariners): 22 years, 172 days to 22 years, 355 days
- 2017 (Diamondbacks): 23 years, 171 days to 23 years, 354 days
- 2018 (Diamondbacks): 24 years, 171 days to 24 years, 354 days
- 2019 (Diamondbacks): 25 years, 171 days to 25 years, 354 days
- 2020 (Diamondbacks): 26 years, 172 days to 26 years, 355 days
- 2021 (Diamondbacks): 27 years, 171 days to 27 years, 354 days
- 2022 (Diamondbacks): 28 years, 171 days to 28 years, 354 days
- 2023 (Diamondbacks): 29 years, 171 days to 29 years, 354 days
- 2024 (Diamondbacks): 30 years, 172 days to 30 years, 355 days
- 2025 (Diamondbacks): 31 years, 171 days to 31 years, 354 days