Mark McKenzie
DF · Born February 25, 1999
Age in each playoff game
- 2018 MLS Cup Playoffs (October 31, 2018), Philadelphia Union vs NYCFC 1–3: 19 years, 248 days
- 2019 MLS Cup Playoffs (October 20, 2019), Philadelphia Union vs New York Red Bulls 4–3: 20 years, 237 days
- 2019 MLS Cup Playoffs (October 24, 2019), Philadelphia Union vs Atlanta United 0–2: 20 years, 241 days
- 2020 MLS Cup Playoffs (November 24, 2020), Philadelphia Union vs New England Revolution 0–2: 21 years, 273 days
Age in each season
- 2018 (Philadelphia Union): 19 years, 6 days to 19 years, 245 days
- 2019 (Philadelphia Union): 20 years, 5 days to 20 years, 223 days
- 2020 (Philadelphia Union): 21 years, 4 days to 21 years, 257 days