Jeff Mathis
C · Born March 31, 1983
Age in each postseason series
- 2007 ALDS (October 3, 2007), Angels of Anaheim vs Red Sox 0–3: 24 years, 186 days
- 2008 ALDS (October 1, 2008), Angels of Anaheim vs Red Sox 1–3: 25 years, 184 days
- 2009 ALDS (October 8, 2009), Angels of Anaheim vs Red Sox 3–0: 26 years, 191 days
- 2009 ALCS (October 16, 2009), Angels of Anaheim vs Yankees 2–4: 26 years, 199 days
- 2017 NL Wild Card (October 4, 2017), Diamondbacks vs Rockies 1–0: 34 years, 187 days
- 2017 NLDS (October 6, 2017), Diamondbacks vs Dodgers 0–3: 34 years, 189 days
Age in each season
- 2005 (Angels of Anaheim): 22 years, 1 day to 22 years, 184 days
- 2006 (Angels of Anaheim): 23 years, 1 day to 23 years, 184 days
- 2007 (Angels of Anaheim): 24 years, 1 day to 24 years, 184 days
- 2008 (Angels of Anaheim): 25 years, 1 day to 25 years, 184 days
- 2009 (Angels of Anaheim): 26 years, 1 day to 26 years, 184 days
- 2010 (Angels of Anaheim): 27 years, 1 day to 27 years, 184 days
- 2011 (Angels of Anaheim): 28 years, 1 day to 28 years, 184 days
- 2012 (Blue Jays): 29 years, 1 day to 29 years, 184 days
- 2013 (Marlins): 30 years, 1 day to 30 years, 184 days
- 2014 (Marlins): 31 years, 1 day to 31 years, 184 days
- 2015 (Marlins): 32 years, 1 day to 32 years, 184 days
- 2016 (Marlins): 33 years, 1 day to 33 years, 184 days
- 2017 (Diamondbacks): 34 years, 1 day to 34 years, 184 days
- 2018 (Diamondbacks): 35 years, 1 day to 35 years, 184 days
- 2019 (Rangers): 36 years, 1 day to 36 years, 184 days
- 2020 (Rangers): 37 years, 1 day to 37 years, 184 days
- 2021 (Braves): 38 years, 1 day to 38 years, 184 days