Darren O'Day
P · Born October 22, 1982
Age in each postseason series
- 2010 ALDS (October 6, 2010), Rangers vs Rays 3–2: 27 years, 349 days
- 2010 ALCS (October 15, 2010), Rangers vs Yankees 4–2: 27 years, 358 days
- 2010 World Series (October 27, 2010), Rangers vs Giants 1–4: 28 years, 5 days
- 2012 AL Wild Card (October 5, 2012), Orioles vs Rangers 1–0: 29 years, 349 days
- 2012 ALDS (October 7, 2012), Orioles vs Yankees 2–3: 29 years, 351 days
- 2014 ALDS (October 2, 2014), Orioles vs Tigers 3–0: 31 years, 345 days
- 2014 ALCS (October 10, 2014), Orioles vs Royals 0–4: 31 years, 353 days
- 2016 AL Wild Card (October 4, 2016), Orioles vs Blue Jays 0–1: 33 years, 348 days
- 2019 NLDS (October 3, 2019), Braves vs Cardinals 2–3: 36 years, 346 days
- 2020 NL Wild Card (September 30, 2020), Braves vs Reds 2–0: 37 years, 344 days
- 2020 NLDS (October 6, 2020), Braves vs Marlins 3–0: 37 years, 350 days
- 2020 NLCS (October 12, 2020), Braves vs Dodgers 3–4: 37 years, 356 days
Age in each season
- 2008 (Angels of Anaheim): 25 years, 162 days to 25 years, 345 days
- 2009 (Rangers, Mets): 26 years, 161 days to 26 years, 344 days
- 2010 (Rangers): 27 years, 161 days to 27 years, 344 days
- 2011 (Rangers): 28 years, 161 days to 28 years, 344 days
- 2012 (Orioles): 29 years, 162 days to 29 years, 345 days
- 2013 (Orioles): 30 years, 161 days to 30 years, 344 days
- 2014 (Orioles): 31 years, 161 days to 31 years, 344 days
- 2015 (Orioles): 32 years, 161 days to 32 years, 344 days
- 2016 (Orioles): 33 years, 162 days to 33 years, 345 days
- 2017 (Orioles): 34 years, 161 days to 34 years, 344 days
- 2018 (Orioles): 35 years, 161 days to 35 years, 344 days
- 2019 (Braves): 36 years, 161 days to 36 years, 344 days
- 2020 (Braves): 37 years, 162 days to 37 years, 345 days
- 2021 (Yankees): 38 years, 161 days to 38 years, 344 days
- 2022 (Braves): 39 years, 161 days to 39 years, 344 days