Mark Osborne
L · Born August 13, 1961
Age in each postseason series
- 1984 Division semifinals (April 4, 1984), Rangers vs Islanders 2–3: 22 years, 235 days
- 1985 Division semifinals (April 10, 1985), Rangers vs Flyers 0–3: 23 years, 240 days
- 1986 Division semifinals (April 9, 1986), Rangers vs Flyers 3–2: 24 years, 239 days
- 1986 Division finals (April 17, 1986), Rangers vs Capitals 4–2: 24 years, 247 days
- 1986 Conference finals (May 1, 1986), Rangers vs Canadiens 1–4: 24 years, 261 days
- 1987 Division semifinals (April 8, 1987), Maple Leafs vs Blues 4–2: 25 years, 238 days
- 1987 Division finals (April 21, 1987), Maple Leafs vs Red Wings 3–4: 25 years, 251 days
- 1988 Division semifinals (April 6, 1988), Maple Leafs vs Red Wings 2–4: 26 years, 237 days
- 1990 Division semifinals (April 4, 1990), Maple Leafs vs Blues 1–4: 28 years, 234 days
- 1993 Division semifinals (April 19, 1993), Maple Leafs vs Red Wings 4–3: 31 years, 249 days
- 1993 Division finals (May 3, 1993), Maple Leafs vs Blues 4–3: 31 years, 263 days
- 1993 Conference finals (May 17, 1993), Maple Leafs vs Kings 3–4: 31 years, 277 days
- 1994 Conference quarterfinals (April 18, 1994), Maple Leafs vs Blackhawks 4–2: 32 years, 248 days
- 1994 Conference semifinals (May 2, 1994), Maple Leafs vs Sharks 4–3: 32 years, 262 days
- 1994 Conference finals (May 16, 1994), Maple Leafs vs Canucks 1–4: 32 years, 276 days
- 1995 Conference quarterfinals (May 6, 1995), Rangers vs Nordiques 4–2: 33 years, 266 days
- 1995 Conference semifinals (May 21, 1995), Rangers vs Flyers 0–4: 33 years, 281 days
Age in each season
- 1981-82 (Red Wings): 20 years, 49 days to 20 years, 260 days
- 1982-83 (Red Wings): 21 years, 49 days to 21 years, 260 days
- 1983-84 (Rangers): 22 years, 49 days to 22 years, 261 days
- 1984-85 (Rangers): 23 years, 49 days to 23 years, 260 days
- 1985-86 (Rangers): 24 years, 49 days to 24 years, 260 days
- 1986-87 (Rangers, Maple Leafs): 25 years, 49 days to 25 years, 260 days
- 1987-88 (Maple Leafs): 26 years, 49 days to 26 years, 261 days
- 1988-89 (Maple Leafs): 27 years, 49 days to 27 years, 260 days
- 1989-90 (Maple Leafs): 28 years, 49 days to 28 years, 260 days
- 1990-91 (Maple Leafs, Jets): 29 years, 49 days to 29 years, 260 days
- 1991-92 (Maple Leafs, Jets): 30 years, 49 days to 30 years, 261 days
- 1992-93 (Maple Leafs): 31 years, 49 days to 31 years, 260 days
- 1993-94 (Maple Leafs): 32 years, 49 days to 32 years, 260 days
- 1994-95 (Rangers): 33 years, 49 days to 33 years, 260 days