| Player | Reason | From | Until | Days | Games missed |
|---|---|---|---|---|---|
 Unknown player | Muscular Problems | 26 Aug 2021 | 7 Sept 2021 | 12 | 1 |
 Unknown player | Knee Bruise | 20 Aug 2021 | 17 Oct 2021 | 58 | 8 |
 Unknown player | Cold | 7 Aug 2021 | 12 Aug 2021 | 5 | 1 |
 Unknown player | Concussion | 5 Aug 2021 | 19 Aug 2021 | 14 | 2 |
 Unknown player | Stomach Problems | 4 Aug 2021 | 24 Aug 2021 | 20 | 2 |
 Malick Thiaw | Thigh Problems | 2 Aug 2021 | 12 Aug 2021 | 10 | 1 |
 Unknown player | Knee Injury | 24 Jul 2021 | 19 Oct 2021 | 87 | 11 |
 Unknown player | COVID 19 | 19 Jul 2021 | 2 Aug 2021 | 14 | 2 |
 Unknown player | Back Problems | 15 Jul 2021 | 26 Jul 2021 | 11 | — |
 Unknown player | Knee Problems | 4 Jul 2021 | 5 Nov 2021 | 124 | 17 |
 Unknown player | Knee Problems | 1 Jul 2021 | 31 Aug 2021 | 61 | 9 |
 Unknown player | Doubtful | 15 May 2021 | 5 Jul 2023 | 781 | — |
 Frederik Rönnow | Minor Knock | 13 May 2021 | 27 May 2021 | 14 | 2 |
 Unknown player | Doubtful | 12 May 2021 | 5 Jul 2023 | 784 | — |
| Malick Thiaw | Quarantine | 11 May 2021 | 23 May 2021 | 12 | 2 |
 Unknown player | Quarantine | 11 May 2021 | 23 May 2021 | 12 | 2 |
 Unknown player | Quarantine | 11 May 2021 | 23 May 2021 | 12 | 2 |
 Unknown player | Quarantine | 10 May 2021 | 24 May 2021 | 14 | 3 |
 Unknown player | Quarantine | 10 May 2021 | 13 May 2021 | 3 | 0 |
 Unknown player | Dental Surgery | 5 May 2021 | 23 May 2021 | 18 | 3 |
 Unknown player | Torn Muscle Fiber | 5 May 2021 | 22 Jun 2021 | 48 | 4 |
 Unknown player | Cruciate Ligament Tear | 5 May 2021 | 31 Oct 2021 | 179 | 22 |
| Unknown player | Ankle Injury | 21 Apr 2021 | 14 May 2021 | 23 | — |
 Unknown player | Back Problems | 10 Apr 2021 | 7 May 2021 | 27 | 3 |
| Unknown player | Toe Injury | 8 Apr 2021 | 19 Apr 2021 | 11 | 2 |
 Unknown player | Doubtful | 3 Apr 2021 | 5 Jul 2023 | 823 | — |
| Unknown player | Knee Injury | 1 Apr 2021 | 7 May 2021 | 36 | 4 |
 Unknown player | Ankle Injury | 17 Mar 2021 | 2 Jun 2021 | 77 | 9 |
 Nabil Bentaleb | Groin Surgery | 16 Mar 2021 | 30 Jun 2021 | 106 | 9 |
| Nabil Bentaleb | Groin Problems | 5 Mar 2021 | 15 Mar 2021 | 10 | 2 |
| Nabil Bentaleb | Doubtful | 27 Feb 2021 | 5 Jul 2023 | 858 | — |
| Unknown player | Cruciate Ligament Injury | 24 Feb 2021 | 17 Jun 2021 | 113 | 12 |
| Unknown player | Rib Fracture | 22 Feb 2021 | 12 Apr 2021 | 49 | 5 |
 Unknown player | Muscular Problems | 19 Feb 2021 | 24 Feb 2021 | 5 | 1 |
 Unknown player | Calf Injury | 13 Feb 2021 | 25 May 2021 | 101 | 14 |
 Timo Becker | Thigh Problems | 6 Feb 2021 | 10 Feb 2021 | 4 | 1 |
| Unknown player | Hamstring Injury | 4 Feb 2021 | 5 Apr 2021 | 60 | 8 |
| Unknown player | Quarantine | 1 Feb 2021 | 5 Feb 2021 | 4 | 1 |
| Unknown player | Ankle Injury | 30 Jan 2021 | 10 Feb 2021 | 11 | 3 |
| Unknown player | Cold | 30 Jan 2021 | 5 Feb 2021 | 6 | 2 |
| Unknown player | Cold | 28 Jan 2021 | 8 Feb 2021 | 11 | 3 |
| Frederik Rönnow | Groin Problems | 25 Jan 2021 | 4 Mar 2021 | 38 | 6 |
 Unknown player | Achilles Tendon Irritation | 22 Jan 2021 | 22 Feb 2021 | 31 | 3 |
 Unknown player | Thigh Problems | 10 Jan 2021 | 23 Jan 2021 | 13 | 2 |
 Unknown player | Cruciate Ligament Injury | 3 Jan 2021 | 7 May 2021 | 124 | 17 |
| Unknown player | Stomach Problems | 1 Jan 2021 | 5 Jan 2021 | 4 | 1 |
| Unknown player | Ankle Injury | 1 Jan 2021 | 8 Jan 2021 | 7 | 1 |
| Unknown player | Metatarsal Fracture | 30 Dec 2020 | 11 May 2021 | 132 | 19 |
| Unknown player | Knee Problems | 20 Dec 2020 | 10 Apr 2021 | 111 | 16 |
| Unknown player | Muscular Problems | 19 Dec 2020 | 16 Jan 2021 | 28 | 4 |
| Unknown player | Concussion | 14 Dec 2020 | 4 Jan 2021 | 21 | 3 |
| Unknown player | Doubtful | 13 Dec 2020 | 4 Jul 2023 | 933 | — |
| Frederik Rönnow | Doubtful | 13 Dec 2020 | 4 Jul 2023 | 933 | — |
 Amine Harit | Knee Problems | 8 Dec 2020 | 14 Dec 2020 | 6 | 0 |
 Ozan Kabak | Doubtful | 6 Dec 2020 | 4 Jul 2023 | 940 | — |
| Frederik Rönnow | Injury | 30 Nov 2020 | 10 Dec 2020 | 10 | 1 |
 Unknown player | COVID 19 | 26 Nov 2020 | 16 Dec 2020 | 20 | 3 |
| Unknown player | Knee Injury | 25 Nov 2020 | 2 Apr 2021 | 128 | 20 |
 Unknown player | Muscle Injury | 24 Nov 2020 | 5 Dec 2020 | 11 | 1 |
| Unknown player | Knee Injury | 23 Nov 2020 | 14 Dec 2020 | 21 | 2 |
| Unknown player | Knee Injury | 21 Nov 2020 | 12 Dec 2020 | 21 | 3 |
| Unknown player | Knee Problems | 20 Nov 2020 | 12 Dec 2020 | 22 | 3 |
| Unknown player | Calf Injury | 10 Nov 2020 | 27 Nov 2020 | 17 | 1 |
| Unknown player | Muscular Problems | 15 Oct 2020 | 26 Oct 2020 | 11 | 2 |
| Unknown player | Adductor Injury | 5 Oct 2020 | 2 Nov 2020 | 28 | 4 |
| Amine Harit | COVID 19 | 25 Sept 2020 | 12 Oct 2020 | 17 | 3 |
| Unknown player | Hamstring Injury | 17 Sept 2020 | 23 Nov 2020 | 67 | 10 |
| Unknown player | Head Injury | 5 Sept 2020 | 25 Sept 2020 | 20 | 2 |
| Unknown player | Doubtful | 14 Jun 2020 | 4 Jul 2023 | 1115 | — |
| Unknown player | Surgery | 10 Jun 2020 | 18 Sept 2020 | 100 | 9 |
| Unknown player | Torn Muscle Fiber | 8 Jun 2020 | 25 Sept 2020 | 109 | 10 |
 Jean-Clair Todibo | Groin Injury | 7 Jun 2020 | 7 Sept 2020 | 92 | 10 |
 Unknown player | Torn Lateral Knee Ligament | 6 Jun 2020 | 31 Jul 2020 | 55 | 5 |
| Unknown player | Doubtful | 30 May 2020 | 4 Jul 2023 | 1130 | — |
| Unknown player | Knee Injury | 25 May 2020 | 3 Aug 2020 | 70 | 7 |
| Amine Harit | Inner Ligament Injury | 17 May 2020 | 2 Aug 2020 | 77 | 8 |
| Jean-Clair Todibo | Ankle Problems | 17 May 2020 | 26 May 2020 | 9 | 1 |
| Ozan Kabak | Vertebral Injury | 2 Mar 2020 | 21 May 2020 | 80 | 3 |
 Markus Schubert | Doubtful | 29 Feb 2020 | 4 Jul 2023 | 1221 | — |
| Unknown player | Fitness | 28 Feb 2020 | 1 Aug 2020 | 155 | 12 |
| Unknown player | Adductor Injury | 28 Feb 2020 | 9 Jun 2020 | 102 | 8 |
| Unknown player | Broken Toe | 27 Feb 2020 | 12 Mar 2020 | 14 | 3 |
 Juan Miranda | Calf Injury | 26 Feb 2020 | 31 Mar 2020 | 34 | 3 |
| Unknown player | Fitness | 25 Feb 2020 | 31 Mar 2020 | 35 | 3 |
 Unknown player | Torn Ankle Ligaments | 3 Feb 2020 | 12 Feb 2020 | 9 | 2 |
| Markus Schubert | Patellar Tendon Problems | 31 Jan 2020 | 23 Feb 2020 | 23 | 4 |
 Unknown player | Inner Ligament Injury | 31 Jan 2020 | 3 Apr 2020 | 63 | 8 |
| Unknown player | Ankle Injury | 30 Jan 2020 | 20 Feb 2020 | 21 | 4 |
| Unknown player | Adductor Pain | 30 Jan 2020 | 2 Feb 2020 | 3 | 1 |
| Unknown player | Fever | 29 Jan 2020 | 3 Feb 2020 | 5 | 1 |
| Unknown player | Flu | 20 Jan 2020 | 26 Jan 2020 | 6 | 0 |
| Unknown player | Doubtful | 17 Jan 2020 | 4 Jul 2023 | 1264 | 150 |
| Amine Harit | Hamstring Injury | 15 Jan 2020 | 20 Jan 2020 | 5 | 1 |
 Weston McKennie | Shoulder Injury | 16 Dec 2019 | 19 Jan 2020 | 34 | 3 |
| Unknown player | Foot Bruise | 10 Dec 2019 | 19 Dec 2019 | 9 | 1 |
| Unknown player | Adductor Injury | 9 Dec 2019 | 13 Jan 2020 | 35 | — |
| Unknown player | Knee Injury | 6 Dec 2019 | 22 Dec 2019 | 16 | 3 |
| Unknown player | Torn Muscle Fiber | 22 Nov 2019 | 31 Dec 2019 | 39 | 6 |
| Juan Miranda | Doubtful | 9 Nov 2019 | 9 Nov 2019 | 0 | 1 |
| Unknown player | Knee Injury | 4 Nov 2019 | 25 Feb 2020 | 113 | 14 |
