Mark Belanger
SS · Born June 8, 1944
Age in each postseason series
- 1969 ALCS (October 4, 1969), Orioles vs Twins 3–0: 25 years, 118 days
- 1969 World Series (October 11, 1969), Orioles vs Mets 1–4: 25 years, 125 days
- 1970 ALCS (October 3, 1970), Orioles vs Twins 3–0: 26 years, 117 days
- 1970 World Series (October 10, 1970), Orioles vs Reds 4–1: 26 years, 124 days
- 1971 ALCS (October 3, 1971), Orioles vs Athletics 3–0: 27 years, 117 days
- 1971 World Series (October 9, 1971), Orioles vs Pirates 3–4: 27 years, 123 days
- 1973 ALCS (October 6, 1973), Orioles vs Athletics 2–3: 29 years, 120 days
- 1974 ALCS (October 5, 1974), Orioles vs Athletics 1–3: 30 years, 119 days
- 1979 ALCS (October 3, 1979), Orioles vs Angels 3–1: 35 years, 117 days
- 1979 World Series (October 10, 1979), Orioles vs Pirates 3–4: 35 years, 124 days
Age in each season
- 1965 (Orioles): 20 years, 297 days to 21 years, 115 days
- 1966 (Orioles): 21 years, 297 days to 22 years, 115 days
- 1967 (Orioles): 22 years, 297 days to 23 years, 115 days
- 1968 (Orioles): 23 years, 298 days to 24 years, 115 days
- 1969 (Orioles): 24 years, 297 days to 25 years, 115 days
- 1970 (Orioles): 25 years, 297 days to 26 years, 115 days
- 1971 (Orioles): 26 years, 297 days to 27 years, 115 days
- 1972 (Orioles): 27 years, 298 days to 28 years, 115 days
- 1973 (Orioles): 28 years, 297 days to 29 years, 115 days
- 1974 (Orioles): 29 years, 297 days to 30 years, 115 days
- 1975 (Orioles): 30 years, 297 days to 31 years, 115 days
- 1976 (Orioles): 31 years, 298 days to 32 years, 115 days
- 1977 (Orioles): 32 years, 297 days to 33 years, 115 days
- 1978 (Orioles): 33 years, 297 days to 34 years, 115 days
- 1979 (Orioles): 34 years, 297 days to 35 years, 115 days
- 1980 (Orioles): 35 years, 298 days to 36 years, 115 days
- 1981 (Orioles): 36 years, 297 days to 37 years, 115 days
- 1982 (Dodgers): 37 years, 297 days to 38 years, 115 days