| 17. Journée | 12.12.2020 | Grimsby Town | - | Mansfield Town | 1:1 |  |
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| 18. Journée | 15.12.2020 | Southend United | - | Grimsby Town | 3:1 | ||||
| 19. Journée | 19.12.2020 | Grimsby Town | - | Scunthorpe United | 1:0 | ||||
| 4. Journée | 22.12.2020 | Grimsby Town | - | Bradford City | 1:2 | ||||
| 20. Journée | 26.12.2020 | Morecambe FC | - | Grimsby Town | 3:1 | ||||
| 21. Journée | 29.12.2020 | Grimsby Town | - | Oldham Athletic | 0:0 | ||||
| 22. Journée | 02.01.2021 | Grimsby Town | - | Cambridge United | 1:2 | ||||
| 23. Journée | 09.01.2021 | Port Vale FC | - | Grimsby Town | 3:0 | ||||
| 31. Journée | 23.02.2021 | Grimsby Town | - | Crawley Town | 2:1 |  |
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| 32. Journée | 27.02.2021 | Harrogate Town | - | Grimsby Town | 1:0 | ||||
| 33. Journée | 02.03.2021 | Grimsby Town | - | Leyton Orient | 0:1 | ||||
| 34. Journée | 06.03.2021 | Grimsby Town | - | Forest Green Rovers | 1:2 | ||||
| 35. Journée | 09.03.2021 | Carlisle United | - | Grimsby Town | 1:1 | ||||
| 36. Journée | 13.03.2021 | Grimsby Town | - | Colchester United | 0:0 | ||||
| 29. Journée | 17.03.2021 | Grimsby Town | - | Tranmere Rovers | 0:0 | ||||
| 41. Journée | 10.04.2021 | Bradford City | - | Grimsby Town | 1:0 |
Portugal
Angleterre