Peter O'Brien
LF · Born July 15, 1990
Age in each season
- 2015 (Diamondbacks): 24 years, 260 days to 25 years, 78 days
- 2016 (Diamondbacks): 25 years, 261 days to 26 years, 78 days
- 2018 (Marlins): 27 years, 260 days to 28 years, 78 days
- 2019 (Marlins): 28 years, 260 days to 29 years, 78 days