| 1 | Tue 20 Oct 2020 | 371-2 v Harrogate TownGrimsby Town 1-2 Harrogate Town | Sky Bet League Two |
| 2 | Sat 31 Oct 2020 | 370-0 v StevenageStevenage 0-0 Grimsby Town | Sky Bet League Two |
| 3 | Tue 3 Nov 2020 | 371-0 v BarrowGrimsby Town 1-0 Barrow | Sky Bet League Two |
| 4 | Tue 17 Nov 2020 | 370-3 v Hull CityHull City 3-0 Grimsby Town | Papa John’s Trophy Group 10 |
| 5 | Tue 1 Dec 2020 | 371-4 v Exeter CityGrimsby Town 1-4 Exeter City | Sky Bet League Two |
| 6 | Sat 5 Dec 2020 | 371-2 v Colchester UnitedColchester United 2-1 Grimsby Town | Sky Bet League Two |
| 7 | Tue 8 Dec 2020 | 370-2 v Newport CountyGrimsby Town 0-2 Newport County | Sky Bet League Two |
| 8 | Sat 12 Dec 2020 | 37 1-1 v Mansfield TownGrimsby Town 1-1 Mansfield Town | Sky Bet League Two |
| 9 | Tue 15 Dec 2020 | 371-3 v Southend UnitedSouthend United 3-1 Grimsby Town | Sky Bet League Two |
| 10 | Sat 19 Dec 2020 | 371-0 v Scunthorpe UnitedGrimsby Town 1-0 Scunthorpe United | Sky Bet League Two |
| 11 | Tue 22 Dec 2020 | 371-2 v Bradford CityGrimsby Town 1-2 Bradford City | Sky Bet League Two |
| 12 | Sat 26 Dec 2020 | 371-3 v MorecambeMorecambe 3-1 Grimsby Town | Sky Bet League Two |
| 13 | Sat 2 Jan 2021 | 371-2 v Cambridge UnitedGrimsby Town 1-2 Cambridge United | Sky Bet League Two |
| 14 | Sat 9 Jan 2021 | 370-3 v Port ValePort Vale 3-0 Grimsby Town | Sky Bet League Two |
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