Millwall v Northampton Town, 01 January 1921
| Score | 1-0 to Millwall |
| Competition | Division Three (South) |
| Attendance | 3,000 |
View Millwall v Northampton Town head to head
| Score | 1-0 to Millwall |
| Competition | Division Three (South) |
| Attendance | 3,000 |
View Millwall v Northampton Town head to head