| 1 | Sat 1 Aug 2020 | 2 1-0 v LivingstonSt Mirren 1-0 Livingston | Scottish Premiership |
| 2 | Sun 9 Aug 2020 | 20-3 v RangersRangers 3-0 St Mirren | Scottish Premiership |
| 3 | Sat 15 Aug 2020 | 2 1-0 v Hamilton AcademicalHamilton Academical 0-1 St Mirren | Scottish Premiership |
| 4 | Sat 22 Aug 2020 | 21-1 v Ross CountySt Mirren 1-1 Ross County | Scottish Premiership |
| 5 | Sat 29 Aug 2020 | 20-1 v St JohnstoneSt Johnstone 1-0 St Mirren | Scottish Premiership |
| 6 | Sat 12 Sep 2020 | 20-3 v HibernianSt Mirren 0-3 Hibernian | Scottish Premiership |
| 7 | Wed 16 Sep 2020 | 2 1-2 v CelticSt Mirren 1-2 Celtic | Scottish Premiership |
| 8 | Sat 19 Sep 2020 | 2 1-2 v Dundee UnitedDundee United 2-1 St Mirren | Scottish Premiership |
| 9 | Fri 6 Nov 2020 | 20-0 v Dundee UnitedSt Mirren 0-0 Dundee United | Scottish Premiership |
| 10 | Sat 21 Nov 2020 | 21-0 v LivingstonLivingston 0-1 St Mirren | Scottish Premiership |
| 11 | Sat 5 Dec 2020 | 21-1 v AberdeenSt Mirren 1-1 Aberdeen | Scottish Premiership |
| 12 | Sat 12 Dec 2020 | 2 1-0 v MotherwellMotherwell 0-1 St Mirren | Scottish Premiership |
| 13 | Sat 19 Dec 2020 | 23-2 v St JohnstoneSt Mirren 3-2 St Johnstone | Scottish Premiership |
| 14 | Wed 23 Dec 2020 | 20-1 v HibernianHibernian 1-0 St Mirren | Scottish Premiership |
| 15 | Sat 26 Dec 2020 | 22-0 v Ross CountyRoss County 0-2 St Mirren | Scottish Premiership |
| 16 | Wed 30 Dec 2020 | 20-2 v RangersSt Mirren 0-2 Rangers | Scottish Premiership |
| 17 | Sat 2 Jan 2021 | 21-1 v KilmarnockKilmarnock 1-1 St Mirren | Scottish Premiership |
| 18 | Sat 9 Jan 2021 | 21-1 v MotherwellSt Mirren 1-1 Motherwell | Scottish Premiership |
| 19 | Sat 16 Jan 2021 | 20-1 v St JohnstoneSt Johnstone 1-0 St Mirren | Scottish Premiership |
| 20 | Wed 27 Jan 2021 | 25-1 v Dundee UnitedDundee United 1-5 St Mirren | Scottish Premiership |
| 21 | Sat 30 Jan 2021 | 22-1 v CelticCeltic 1-2 St Mirren | Scottish Premiership |
| 22 | Tue 2 Feb 2021 | 21-2 v HibernianSt Mirren 1-2 Hibernian | Scottish Premiership |
| 23 | Sat 6 Feb 2021 | 22-0 v KilmarnockSt Mirren 2-0 Kilmarnock | Scottish Premiership |
| 24 | Sat 13 Feb 2021 | 20-0 v AberdeenAberdeen 0-0 St Mirren | Scottish Premiership |
| 25 | Wed 17 Feb 2021 | 21-1 v Hamilton AcademicalSt Mirren 1-1 Hamilton Academical | Scottish Premiership |
| 26 | Sat 20 Feb 2021 | 21-1 v LivingstonSt Mirren 1-1 Livingston | Scottish Premiership |
| 27 | Wed 24 Feb 2021 | 20-0 v MotherwellSt Mirren 0-0 Motherwell | Scottish Premiership |
| 28 | Sat 27 Feb 2021 | 21-0 v Ross CountySt Mirren 1-0 Ross County | Scottish Premiership |
| 29 | Sat 6 Mar 2021 | 20-3 v RangersRangers 3-0 St Mirren | Scottish Premiership |
| 30 | Sat 20 Mar 2021 | 21-1 v Hamilton AcademicalHamilton Academical 1-1 St Mirren | Scottish Premiership |
| 31 | Fri 16 Apr 2021 | 22-1 v Inverness Caledonian ThistleSt Mirren 2-1 Inverness Caledonian Thistle | William Hill Scottish Cup Fourth Round |
| 32 | Wed 21 Apr 2021 | 23-1 v Ross CountyRoss County 1-3 St Mirren | Scottish Premiership |
| 33 | Mon 26 Apr 2021 | 23-3 v KilmarnockKilmarnock 3-3 St Mirren | William Hill Scottish Cup Quarter Final |
| 34 | Sat 1 May 2021 | 21-2 v Hamilton AcademicalSt Mirren 1-2 Hamilton Academical | Scottish Premiership |
| 35 | Sun 9 May 2021 | 21-2 v St JohnstoneSt Mirren 1-2 St Johnstone | William Hill Scottish Cup Semi Final |
| 36 | Sun 16 May 2021 | 2 0-0 v Dundee UnitedSt Mirren 0-0 Dundee United | Scottish Premiership |
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