| 1 | 23/2/2021 | 82-1 v Crawley TownGrimsby Town 2-1 Crawley Town | Sky Bet League Two |
| 2 | 27/2/2021 | 80-1 v Harrogate TownHarrogate Town 1-0 Grimsby Town | Sky Bet League Two |
| 3 | 2/3/2021 | 80-1 v Leyton OrientGrimsby Town 0-1 Leyton Orient | Sky Bet League Two |
| 4 | 6/3/2021 | 81-2 v Forest Green RoversGrimsby Town 1-2 Forest Green Rovers | Sky Bet League Two |
| 5 | 9/3/2021 | 8 1-1 v Carlisle UnitedCarlisle United 1-1 Grimsby Town | Sky Bet League Two |
| 6 | 13/3/2021 | 80-0 v Colchester UnitedGrimsby Town 0-0 Colchester United | Sky Bet League Two |
| 7 | 17/3/2021 | 80-0 v Tranmere RoversGrimsby Town 0-0 Tranmere Rovers | Sky Bet League Two |
| 8 | 20/3/2021 | 82-2 v Mansfield TownMansfield Town 2-2 Grimsby Town | Sky Bet League Two |
| 9 | 23/3/2021 | 81-0 v BarrowBarrow 0-1 Grimsby Town | Sky Bet League Two |
| 10 | 27/3/2021 | 81-1 v WalsallGrimsby Town 1-1 Walsall | Sky Bet League Two |
| 11 | 2/4/2021 | 81-1 v Salford CitySalford City 1-1 Grimsby Town | Sky Bet League Two |
| 12 | 5/4/2021 | 81-1 v Cheltenham TownGrimsby Town 1-1 Cheltenham Town | Sky Bet League Two |
| 13 | 10/4/2021 | 80-1 v Bradford CityBradford City 1-0 Grimsby Town | Sky Bet League Two |
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