League injury log -- Doubleday
Regular season -- as of 10/30/1920
| Injuries |
| Date | # | Team | Player | Cause | Dur |
| 4/7/1920 | | Bla | Brady | General | 0 |
| 4/8/1920 | | NO | Gardner | General | 0 |
| 4/9/1920 | | Mid | Schalk | General | 0 |
| 4/11/1920 | | Mac | Perry | Rain delay | 0 |
| 4/11/1920 | | Mid | Bush,D | General | 2 |
| 4/11/1920 | | NO | Wheat,M | General | 0 |
| 4/12/1920 | | KS | Davis | Rain delay | 0 |
| 4/12/1920 | | NO | Smith,El | General | 9 |
| 4/12/1920 | | Tex | Powell | General | 3 |
| 4/15/1920 | | NO | Kopf | General | 1 |
| 4/15/1920 | | Mid | Burns,GJ | General | 0 |
| 4/16/1920 | | Tex | Daubert | General | 0 |
| 4/17/1920 | | Mac | Gedeon | General | 0 |
| 4/17/1920 | | Cha | Mann | General | 6 |
| 4/17/1920 | | Gal | Pipp | General | 0 |
| 4/17/1920 | | Tex | Myers,E | General | 10 |
| 4/19/1920 | | Mid | Hendrix | General | 5 |
| 4/20/1920 | | Bla | Bigbee,L | General | 3 |
| 4/20/1920 | | KS | Chapman | General | 0 |
| 4/21/1920 | | Cha | Glaiser | General | 0 |
| 4/21/1920 | | Cha | Gowdy | General | 0 |
| 4/21/1920 | | KS | Konetchy | General | 3 |
| 4/23/1920 | | Bla | Sherdel | Rain delay | 0 |
| 4/23/1920 | | Tex | Coveleski | Rain delay | 0 |
| 4/23/1920 | | Mid | Lunte | General | 6 |
| 4/23/1920 | | NO | Heathcote | General | 3 |
| 4/25/1920 | | Cha | Ward,A | General | 3 |
| 4/25/1920 | | KS | Vaughn | General | 0 |
| 4/25/1920 | | Gal | Paskert | General | 3 |
| 4/25/1920 | | NO | Hollocher | General | 29 |
| 4/27/1920 | | Bla | Sherdel | General | 0 |
| 4/27/1920 | | Cha | Maranville | General | 4 |
| 4/29/1920 | | Tex | Benton | General | 10 |
| 4/30/1920 | | Mid | Shawkey | General | 30 |
| 4/30/1920 | | NO | Heathcote | Collision on bases | 0 |
| 5/1/1920 | | Gal | Dykes | General | 0 |
| 5/1/1920 | | NO | Griffin,I | General | 4 |
| 5/4/1920 | | Cha | Pfeffer | General | 10 |
| 5/4/1920 | | Tex | Doyle | General | 4 |
| 5/5/1920 | | NO | Wheat,M | Collision on bases | 2 |
| 5/7/1920 | | Mac | McHenry | General | 2 |
| 5/8/1920 | | KS | Konetchy | General | 8 |
| 5/9/1920 | | Mid | Bush,D | General | 8 |
| 5/13/1920 | | Bla | Russell | General | 28 |
| 5/13/1920 | | NO | Roth | General | 0 |
| 5/13/1920 | | Gal | Jacobson | General | 0 |
| 5/13/1920 | | Gal | Perkins | General | 0 |
| 5/15/1920 | | Bla | Johnston,J | General | 0 |
| 5/16/1920 | | Bla | Holke | General | 0 |
| 5/18/1920 | | Bla | Oldham | Rain delay | 0 |
| 5/20/1920 | | Mac | Jones,P | General | 7 |
| 5/20/1920 | | Mac | Sisler | General | 0 |
| 5/22/1920 | | KS | Thompson | General | 5 |
| 5/23/1920 | | Bla | Deal | General | 8 |
| 5/23/1920 | | Mac | Mitchell | Rain delay | 0 |
| 5/23/1920 | | Mac | Sanders | General | 0 |
| 5/23/1920 | | Tex | Manion | General | 0 |
| 5/26/1920 | | Gal | Scott,E | General | 0 |
| 5/27/1920 | | NO | Smith,El | General | 5 |
| 5/29/1920 | | Cha | Mann | Hit by pitch | 16 |
| 6/1/1920 | | NO | Kopf | General | 2 |
| 6/3/1920 | | KS | Vaughn | General | 10 |
| 6/8/1920 | | KS | Clemons | Collision in field | 0 |
| 6/9/1920 | | Tex | O'Neill,J | General | 0 |
| 6/14/1920 | | NO | Griffin,I | General | 0 |
| 6/16/1920 | | KS | Vaughn | General | 25 |
| 6/17/1920 | | Tex | Manion | Hit by pitch | 8 |
| 6/19/1920 | | NO | Severeid | General | 3 |
| 6/21/1920 | | NO | Griffin,I | General | 2 |
| 6/23/1920 | | Bla | Deal | General | 0 |
| 6/23/1920 | | Cha | Barber | General | 0 |
| 6/24/1920 | | KS | Rath | General | 9 |
| 6/25/1920 | | Mac | Meusel,I | General | 6 |
| 6/27/1920 | | Bla | Smith,Ea | General | 0 |
| 6/27/1920 | | Tex | Doyle | General | 1 |
| 6/27/1920 | | NO | Smith,El | General | 10 |
| 6/28/1920 | | Cha | Ward,A | General | 1 |
| 6/28/1920 | | KS | Konetchy | Collision on bases | 21 |
| 6/30/1920 | | Cha | Leonard,D | General | 15 |
| 6/30/1920 | | NO | Bayne | General | 26 |
| 7/1/1920 | | KS | Chapman | General | 0 |
| 7/7/1920 | | Mac | Sisler | General | 0 |
| 7/8/1920 | | Mac | Meusel,I | General | 0 |
| 7/11/1920 | | NO | Clark | General | 12 |
| 7/13/1920 | | Bla | Ellison,B | General | 6 |
| 7/13/1920 | | Gal | Rice | General | 0 |
| 7/16/1920 | | Mid | Neale | General | 1 |
| 7/17/1920 | | Gal | Perkins | General | 0 |
| 7/24/1920 | | KS | Chapman | General | 0 |
| 7/25/1920 | | Bla | Sherdel | General | 10 |
| 7/25/1920 | | Mid | Vitt | General | 0 |
| 7/25/1920 | | Tex | Bigbee,C | General | 5 |
| 7/26/1920 | | Gal | Jacobson | General | 0 |
| 7/26/1920 | | Gal | Perkins | General | 0 |
| 7/26/1920 | | Mac | Gedeon | General | 0 |
| 7/27/1920 | | NO | Lynch | General | 10 |
| 8/1/1920 | | Cha | McCabe | Collision on bases | 4 |
| 8/1/1920 | | Mid | Shawkey | General | 25 |
| 8/2/1920 | | Bla | Collins,R | General | 0 |
| 8/3/1920 | | KS | Rath | General | 12 |
| 8/3/1920 | | Gal | Rice | General | 0 |
| 8/4/1920 | | Cha | Ruel | General | 0 |
| 8/7/1920 | | NO | Alexander | Rain delay | 0 |
| 8/7/1920 | | NO | Severeid | General | 0 |
| 8/8/1920 | | Cha | Maranville | General | 0 |
| 8/9/1920 | | KS | Johnson,W | Rain delay | 0 |
| 8/10/1920 | | Cha | Cutshaw | General | 0 |
| 8/12/1920 | | NO | Gardner | General | 0 |
| 8/12/1920 | | NO | Griffin,I | General | 0 |
| 8/13/1920 | | KS | Chapman | General | 0 |
| 8/13/1920 | | KS | Johnson,W | General | 10 |
| 8/13/1920 | | Tex | Powell | General | 2 |
| 8/14/1920 | | KS | Thompson | General | 0 |
| 8/14/1920 | | Tex | Schang | General | 0 |
| 8/15/1920 | | KS | O'Neil | General | 5 |
| 8/16/1920 | | Mac | Sisler | General | 0 |
| 8/17/1920 | | NO | Heathcote | General | 6 |
| 8/18/1920 | | Gal | Dykes | General | 10 |
| 8/19/1920 | | Mac | Dugan | Hit by pitch | 16 |
| 8/19/1920 | | Mid | Vitt | General | 0 |
| 8/20/1920 | | NO | Gardner | General | 0 |
| 8/22/1920 | | Gal | Ponder | General | 0 |
| 8/23/1920 | | Tex | Daubert | General | 0 |
| 8/25/1920 | | Bla | Dillhoefer | Collision in field | 0 |
| 8/25/1920 | | Mac | Meusel,B | Collision on bases | 0 |
| 8/26/1920 | | Bla | Collins,R | Rain delay | 0 |
| 8/26/1920 | | Bla | Russell | General | 10 |
| 8/26/1920 | | KS | Herzog | Hit by pitch | 14 |
| 8/27/1920 | | Tex | Bono | General | 13 |
| 8/29/1920 | | Mac | Barbare | General | 5 |
| 8/31/1920 | | Tex | Schang | General | 0 |
| 9/2/1920 | | Gal | Paskert | General | 4 |
| 9/3/1920 | | Mac | Gedeon | General | 0 |
| 9/4/1920 | | Cha | Ward,A | General | 5 |
| 9/5/1920 | | Mac | Sisler | General | 0 |
| 9/9/1920 | | Mid | Hendrix | Rain delay | 0 |
| 9/9/1920 | | NO | Alexander | Rain delay | 0 |
| 9/11/1920 | | Bla | Holke | General | 2 |
| 9/13/1920 | | NO | Alexander | Rain delay | 0 |
| 9/14/1920 | | NO | Severeid | General | 1 |
| 9/14/1920 | | Mid | Bush,D | General | 1 |
| 9/15/1920 | | Bla | Johnston,J | General | 0 |
| 9/16/1920 | | KS | Rath | General | 9 |
| 9/16/1920 | | Mid | Schalk | General | 0 |
| 9/17/1920 | | Bla | Russell | General | 25 |
| 9/18/1920 | | Cha | Pfeffer | General | 5 |
| 9/21/1920 | | Mac | Dugan | General | 0 |
| 9/23/1920 | | KS | Thormahlen | General | 0 |
| 9/24/1920 | | Mid | Burns,GJ | General | 0 |
| 9/24/1920 | | NO | Kopf | Hit by pitch | 0 |
| 9/25/1920 | | Tex | Bigbee,C | Hit by pitch | 16 |
| 9/27/1920 | | Mac | Meusel,I | General | 1 |
| 10/4/1920 | | Gal | Jacobson | General | 0 |
| 10/22/1920 | | Tex | Nicholson | General | 4 |
| 10/23/1920 | | Tex | Jackson | General | 0 |
| 10/30/1920 | | Tex | Bancroft | General | 0 |