Fumbles
Derrick Harmon · Season-by-season history
Fumbles over time
- San Francisco 49ers · NFL
- Pittsburgh Steelers · NFL
Hover over a bar for its value. Only numeric values with a recorded season are charted; missing seasons are not treated as zero.
| Season | Team | League | Fumbles |
|---|---|---|---|
| 2025 |  Pittsburgh Steelers |
NFL | 0 |
| 1986 |  San Francisco 49ers |
NFL | 1 |
| 1985 | San Francisco 49ers |
NFL | 2 |
| 1984 | San Francisco 49ers |
NFL | 1 |