17. Round | 12/12/2020 | Grimsby Town | - | Mansfield Town | 1:1 | ||||
18. Round | 15/12/2020 | Southend United | - | Grimsby Town | 3:1 | ||||
19. Round | 19/12/2020 | Grimsby Town | - | Scunthorpe United | 1:0 | ||||
4. Round | 22/12/2020 | Grimsby Town | - | Bradford City | 1:2 | ||||
20. Round | 26/12/2020 | Morecambe FC | - | Grimsby Town | 3:1 | ||||
21. Round | 29/12/2020 | Grimsby Town | - | Oldham Athletic | 0:0 | ||||
22. Round | 02/01/2021 | Grimsby Town | - | Cambridge United | 1:2 | ||||
23. Round | 09/01/2021 | Port Vale FC | - | Grimsby Town | 3:0 | ||||
31. Round | 23/02/2021 | Grimsby Town | - | Crawley Town | 2:1 | ||||
32. Round | 27/02/2021 | Harrogate Town | - | Grimsby Town | 1:0 | ||||
33. Round | 02/03/2021 | Grimsby Town | - | Leyton Orient | 0:1 | ||||
34. Round | 06/03/2021 | Grimsby Town | - | Forest Green Rovers | 1:2 | ||||
35. Round | 09/03/2021 | Carlisle United | - | Grimsby Town | 1:1 | ||||
36. Round | 13/03/2021 | Grimsby Town | - | Colchester United | 0:0 | ||||
29. Round | 17/03/2021 | Grimsby Town | - | Tranmere Rovers | 0:0 | ||||
41. Round | 10/04/2021 | Bradford City | - | Grimsby Town | 1:0 |