Josh Donaldson
3B · Born December 8, 1985
Age in each postseason series
- 2012 ALDS (October 6, 2012), Athletics vs Tigers 2–3: 26 years, 303 days
- 2013 ALDS (October 4, 2013), Athletics vs Tigers 2–3: 27 years, 300 days
- 2014 AL Wild Card (September 30, 2014), Athletics vs Royals 0–1: 28 years, 296 days
- 2015 ALDS (October 8, 2015), Blue Jays vs Rangers 3–2: 29 years, 304 days
- 2015 ALCS (October 16, 2015), Blue Jays vs Royals 2–4: 29 years, 312 days
- 2016 AL Wild Card (October 4, 2016), Blue Jays vs Orioles 1–0: 30 years, 301 days
- 2016 ALDS (October 6, 2016), Blue Jays vs Rangers 3–0: 30 years, 303 days
- 2016 ALCS (October 14, 2016), Blue Jays vs Indians 1–4: 30 years, 311 days
- 2018 ALDS (October 5, 2018), Indians vs Astros 0–3: 32 years, 301 days
- 2019 NLDS (October 3, 2019), Braves vs Cardinals 2–3: 33 years, 299 days
- 2022 ALDS (October 11, 2022), Yankees vs Guardians 3–2: 36 years, 307 days
- 2022 ALCS (October 19, 2022), Yankees vs Astros 0–4: 36 years, 315 days
- 2023 NL Wild Card (October 3, 2023), Brewers vs Diamondbacks 0–2: 37 years, 299 days
Age in each season
- 2010 (Athletics): 24 years, 114 days to 24 years, 297 days
- 2012 (Athletics): 26 years, 115 days to 26 years, 298 days
- 2013 (Athletics): 27 years, 114 days to 27 years, 297 days
- 2014 (Athletics): 28 years, 114 days to 28 years, 297 days
- 2015 (Blue Jays): 29 years, 114 days to 29 years, 297 days
- 2016 (Blue Jays): 30 years, 115 days to 30 years, 298 days
- 2017 (Blue Jays): 31 years, 114 days to 31 years, 297 days
- 2018 (Blue Jays, Indians): 32 years, 114 days to 32 years, 297 days
- 2019 (Braves): 33 years, 114 days to 33 years, 297 days
- 2020 (Twins): 34 years, 115 days to 34 years, 298 days
- 2021 (Twins): 35 years, 114 days to 35 years, 297 days
- 2022 (Yankees): 36 years, 114 days to 36 years, 297 days
- 2023 (Yankees, Brewers): 37 years, 114 days to 37 years, 297 days