Keith DeLong
LB · Born August 14, 1967
Age in each playoff game
- 1989 Divisional (January 6, 1990), 49ers vs Vikings 41–13: 22 years, 145 days
- 1989 Conference Championship (January 14, 1990), 49ers vs Rams 30–3: 22 years, 153 days
- Super Bowl XXIV (January 28, 1990), 49ers vs Broncos 55–10: 22 years, 167 days
- 1990 Divisional (January 12, 1991), 49ers vs Washington 28–10: 23 years, 151 days
- 1990 Conference Championship (January 20, 1991), 49ers vs Giants 13–15: 23 years, 159 days
- 1992 Divisional (January 9, 1993), 49ers vs Washington 20–13: 25 years, 148 days
- 1992 Conference Championship (January 17, 1993), 49ers vs Cowboys 20–30: 25 years, 156 days
- 1993 Divisional (January 15, 1994), 49ers vs Giants 44–3: 26 years, 154 days
- 1993 Conference Championship (January 23, 1994), 49ers vs Cowboys 21–38: 26 years, 162 days
Age in each season
- 1989 (49ers): 22 years, 18 days to 22 years, 139 days
- 1990 (49ers): 23 years, 18 days to 23 years, 139 days
- 1991 (49ers): 24 years, 18 days to 24 years, 139 days
- 1992 (49ers): 25 years, 18 days to 25 years, 139 days
- 1993 (49ers): 26 years, 18 days to 26 years, 139 days