League injury log -- National
Regular season -- as of 10/13/1966
| Injuries |
| Date | # | Team | Player | Cause | Dur |
| 4/11/1966 |   | Cin | Uhlaender | Hit by pitch | 16 |
| 4/12/1966 |   | Atl | Aaron | General | 3 |
| 4/12/1966 |   | Phi | Allen | General | 1 |
| 4/15/1966 |   | Phi | Humphreys | General | 0 |
| 4/17/1966 |   | LA | Hunt | General | 5 |
| 4/18/1966 |   | Hou | Pepitone | General | 10 |
| 4/19/1966 |   | Hou | Nye | General | 15 |
| 4/20/1966 |   | Pit | Mota | General | 0 |
| 4/22/1966 |   | LA | Satriano | General | 0 |
| 4/22/1966 |   | ChN | McDaniel | General | 0 |
| 4/22/1966 |   | SF | Northrup | General | 0 |
| 4/22/1966 |   | Atl | Torre | General | 0 |
| 4/24/1966 |   | LA | Davis,W | General | 0 |
| 4/24/1966 | 2 | Phi | Fairly | General | 2 |
| 4/24/1966 | 1 | Atl | Johnson,D | General | 5 |
| 4/24/1966 | 1 | NYN | Talton | Brawl | 18 |
| 4/24/1966 | 1 | NYN | Aguirre | Brawl | 2 |
| 4/24/1966 | 1 | NYN | Jackson,G | General | 7 |
| 4/25/1966 |   | LA | Howard | General | 8 |
| 4/25/1966 |   | Hou | Gosger | Hit by pitch | 35 |
| 4/26/1966 |   | Atl | Gotay | General | 0 |
| 4/28/1966 |   | LA | Whitaker | General | 7 |
| 4/28/1966 |   | Atl | Aaron | General | 0 |
| 4/28/1966 |   | StL | Boyer | General | 0 |
| 4/28/1966 |   | Hou | Nolan | General | 0 |
| 4/30/1966 |   | Atl | Dillman | General | 5 |
| 4/30/1966 |   | Hou | Ritchie | General | 0 |
| 5/1/1966 |   | SF | Mays | General | 2 |
| 5/1/1966 |   | NYN | Hundley | General | 0 |
| 5/1/1966 |   | Atl | Mathews | General | 2 |
| 5/1/1966 |   | Atl | Kennedy | General | 0 |
| 5/3/1966 |   | LA | Davis,W | General | 0 |
| 5/3/1966 |   | StL | Sadecki | General | 5 |
| 5/5/1966 |   | SF | Perry | Rain delay | 0 |
| 5/6/1966 |   | Phi | Battey | General | 0 |
| 5/7/1966 |   | StL | Carlton | General | 5 |
| 5/8/1966 |   | Pit | Romano | Hit by pitch | 16 |
| 5/8/1966 |   | Pit | Wise | Rain delay | 0 |
| 5/8/1966 |   | Phi | Grant | Rain delay | 0 |
| 5/9/1966 |   | Cin | Green | General | 2 |
| 5/9/1966 |   | StL | Shannon | General | 2 |
| 5/10/1966 |   | SF | Gibbs | Collision in field | 0 |
| 5/10/1966 |   | Pit | Alou | Collision on bases | 0 |
| 5/10/1966 | 1 | Atl | Torre | General | 0 |
| 5/11/1966 |   | LA | Siebert | Rain delay | 0 |
| 5/11/1966 |   | Phi | McGlothlin | Rain delay | 0 |
| 5/11/1966 |   | Atl | Bolin | General | 25 |
| 5/13/1966 |   | Pit | Alou | General | 7 |
| 5/13/1966 |   | StL | Hamilton | General | 5 |
| 5/13/1966 |   | Cin | Pinson | General | 0 |
| 5/15/1966 |   | NYN | Briles | General | 10 |
| 5/17/1966 |   | LA | Cullen | General | 0 |
| 5/17/1966 |   | Pit | Bennett | Rain delay | 0 |
| 5/17/1966 |   | Atl | Torre | Collision in field | 0 |
| 5/17/1966 |   | Hou | O'Donoghue | Rain delay | 0 |
| 5/19/1966 |   | Hou | Nolan | Rain delay | 0 |
| 5/19/1966 |   | ChN | Niekro | Rain delay | 0 |
| 5/20/1966 |   | LA | Cullen | General | 8 |
| 5/20/1966 |   | Pit | Mazeroski | General | 0 |
| 5/20/1966 |   | StL | Sadecki | General | 5 |
| 5/21/1966 |   | StL | Stahl | General | 0 |
| 5/22/1966 |   | LA | Webster | Hit by pitch | 0 |
| 5/22/1966 |   | Phi | Battey | Collision in field | 22 |
| 5/22/1966 | 2 | Atl | Torre | General | 0 |
| 5/24/1966 |   | Pit | Alou | General | 7 |
| 5/24/1966 |   | Pit | May | General | 1 |
| 5/24/1966 |   | Cin | Rollins | General | 15 |
| 5/24/1966 |   | StL | Mincher | General | 5 |
| 5/25/1966 |   | StL | Hamilton | Rain delay | 0 |
| 5/25/1966 |   | ChN | Banks | General | 2 |
| 5/26/1966 |   | StL | Sadecki | General | 15 |
| 5/27/1966 |   | LA | Davidson | General | 5 |
| 5/28/1966 |   | StL | Altman | General | 0 |
| 5/28/1966 |   | Cin | Ellis | General | 15 |
| 5/30/1966 |   | LA | Hunt | General | 4 |
| 5/30/1966 |   | Atl | Torre | General | 0 |
| 5/31/1966 |   | LA | Webster | General | 7 |
| 5/31/1966 |   | Phi | Humphreys | General | 1 |
| 6/1/1966 | 1 | Phi | Herbel | General | 3 |
| 6/1/1966 | 1 | Phi | Ortega | General | 5 |
| 6/2/1966 |   | Hou | Harrelson | General | 1 |
| 6/3/1966 |   | NYN | Kranepool | General | 9 |
| 6/3/1966 |   | Atl | Dillman | General | 15 |
| 6/4/1966 | 1 | StL | Shannon | General | 4 |
| 6/5/1966 |   | Phi | Davalillo | General | 0 |
| 6/5/1966 |   | Hou | Pepitone | General | 0 |
| 6/8/1966 |   | Hou | Ritchie | General | 2 |
| 6/9/1966 |   | Pit | Peters | Rain delay | 0 |
| 6/9/1966 |   | StL | Hamilton | Rain delay | 0 |
| 6/10/1966 |   | Pit | Selma | Rain delay | 0 |
| 6/10/1966 |   | Atl | Bolin | Rain delay | 0 |
| 6/10/1966 |   | Atl | Blass | Rain delay | 0 |
| 6/10/1966 |   | Atl | Rojas | General | 12 |
| 6/11/1966 |   | StL | Krausse | General | 15 |
| 6/12/1966 |   | Phi | Coleman | General | 18 |
| 6/12/1966 |   | Hou | May | General | 12 |
| 6/13/1966 |   | SF | Mays | General | 8 |
| 6/13/1966 | 1 | StL | Carlton | General | 5 |
| 6/14/1966 |   | Atl | Torre | General | 0 |
| 6/15/1966 |   | NYN | Graham | General | 0 |
| 6/17/1966 |   | NYN | Upshaw | General | 15 |
| 6/19/1966 |   | Phi | Davalillo | General | 4 |
| 6/20/1966 |   | LA | Hunt | General | 18 |
| 6/22/1966 |   | LA | Webster | General | 2 |
| 6/22/1966 |   | Phi | Battey | General | 12 |
| 6/23/1966 |   | ChN | Causey | General | 0 |
| 6/25/1966 |   | Phi | Ortega | Rain delay | 0 |
| 6/26/1966 |   | Hou | Bunker | General | 0 |
| 6/26/1966 | 2 | ChN | Simmons | Rain delay | 0 |
| 6/27/1966 |   | Atl | Dillman | General | 0 |
| 6/28/1966 |   | NYN | Briles | General | 5 |
| 6/28/1966 |   | ChN | Cardenal | General | 5 |
| 6/29/1966 |   | Atl | Bolin | General | 0 |
| 6/30/1966 |   | Pit | Lefebvre | General | 0 |
| 7/2/1966 |   | Phi | Snyder | General | 8 |
| 7/2/1966 | 2 | Hou | Morgan | General | 18 |
| 7/3/1966 |   | Atl | McMahon | General | 0 |
| 7/4/1966 | 2 | SF | Bruce | General | 17 |
| 7/4/1966 | 2 | SF | Northrup | General | 0 |
| 7/4/1966 | 2 | Phi | Tresh | General | 0 |
| 7/4/1966 | 2 | Phi | Josephson | General | 7 |
| 7/9/1966 |   | Atl | Duncan | General | 2 |
| 7/10/1966 |   | StL | Lanier | General | 12 |
| 7/14/1966 |   | NYN | Blair | General | 0 |
| 7/14/1966 |   | Atl | Reichardt | General | 0 |
| 7/14/1966 |   | Hou | Hartensten | General | 16 |
| 7/15/1966 |   | Pit | Sisk | General | 0 |
| 7/15/1966 |   | Atl | Carty | General | 1 |
| 7/16/1966 |   | LA | Haney | General | 7 |
| 7/16/1966 |   | ChN | Moore | General | 0 |
| 7/16/1966 |   | Cin | Queen | General | 15 |
| 7/17/1966 | 1 | Hou | May | Hit by pitch | 0 |
| 7/18/1966 |   | Pit | Romano | General | 4 |
| 7/18/1966 |   | StL | Boyer | General | 4 |
| 7/20/1966 |   | Hou | Nolan | General | 15 |
| 7/22/1966 |   | Hou | Aspromonte | General | 21 |
| 7/22/1966 |   | ChN | Giusti | General | 5 |
| 7/23/1966 |   | Cin | Stoneman | Rain delay | 0 |
| 7/24/1966 | 1 | LA | Ward | General | 0 |
| 7/25/1966 |   | LA | Cullen | General | 15 |
| 7/26/1966 |   | Cin | Perez | General | 0 |
| 7/27/1966 |   | SF | Clarke | General | 0 |
| 7/29/1966 |   | Pit | Stargell | General | 0 |
| 7/31/1966 | 2 | Phi | Battey | Collision in field | 0 |
| 8/1/1966 |   | StL | Sanders | General | 2 |
| 8/2/1966 |   | LA | Davis,W | Hit by pitch | 0 |
| 8/2/1966 |   | Atl | Kuenn | General | 9 |
| 8/3/1966 |   | Pit | Harrison | General | 1 |
| 8/5/1966 |   | Cin | Schaal | General | 8 |
| 8/5/1966 |   | StL | Stahl | General | 6 |
| 8/6/1966 |   | LA | Briggs | General | 19 |
| 8/6/1966 |   | Atl | Green | General | 3 |
| 8/6/1966 |   | NYN | Kranepool | General | 3 |
| 8/7/1966 |   | Cin | Green | General | 15 |
| 8/7/1966 | 1 | StL | Shannon | General | 0 |
| 8/8/1966 |   | LA | Harrelson | General | 5 |
| 8/9/1966 |   | NYN | Weaver | General | 5 |
| 8/9/1966 |   | Phi | Battey | Collision in field | 0 |
| 8/10/1966 |   | Phi | Johnstone | General | 0 |
| 8/10/1966 |   | Hou | Tolan | General | 2 |
| 8/11/1966 |   | Hou | Hunter | Rain delay | 0 |
| 8/12/1966 |   | Hou | Nolan | General | 0 |
| 8/12/1966 |   | Hou | Wickersham | General | 0 |
| 8/13/1966 |   | Cin | Cardenas | General | 0 |
| 8/17/1966 |   | Hou | May | General | 0 |
| 8/19/1966 |   | LA | Hunt | General | 5 |
| 8/20/1966 |   | Pit | Boswell | General | 20 |
| 8/22/1966 |   | Atl | Reichardt | Hit by pitch | 34 |
| 8/22/1966 |   | SF | Henderson | General | 0 |
| 8/22/1966 |   | Cin | Morehead | General | 0 |
| 8/22/1966 |   | Cin | Pinson | General | 0 |
| 8/23/1966 |   | NYN | Weaver | Rain delay | 0 |
| 8/24/1966 |   | Atl | Spangler | General | 0 |
| 8/24/1966 |   | Hou | Nye | General | 0 |
| 8/24/1966 |   | NYN | Hundley | General | 0 |
| 8/30/1966 |   | Phi | Allen | General | 9 |
| 8/31/1966 |   | Pit | Higgins | General | 7 |
| 8/31/1966 |   | StL | Sanders | General | 0 |
| 8/31/1966 |   | Cin | Queen | Rain delay | 0 |
| 8/31/1966 |   | ChN | Cardenal | General | 7 |
| 9/1/1966 |   | StL | Robinson | General | 17 |
| 9/2/1966 |   | LA | Davis,W | General | 2 |
| 9/2/1966 |   | Pit | Clemente | General | 0 |
| 9/2/1966 | 1 | Hou | Davis | General | 0 |
| 9/3/1966 |   | StL | Carlton | General | 10 |
| 9/3/1966 |   | NYN | Stephenson | General | 15 |
| 9/5/1966 | 2 | Pit | Groat | General | 6 |
| 9/5/1966 | 1 | ChN | Santo | General | 1 |
| 9/5/1966 | 1 | StL | Shannon | Collision on bases | 8 |
| 9/10/1966 |   | SF | Gibbs | General | 9 |
| 9/10/1966 |   | StL | Sadecki | General | 0 |
| 9/12/1966 |   | LA | Cullen | Hit by pitch | 0 |
| 9/12/1966 |   | NYN | Hall | General | 23 |
| 9/14/1966 |   | Cin | Schaal | General | 0 |
| 9/15/1966 |   | Atl | Wine | General | 12 |
| 9/17/1966 |   | NYN | Motton | Hit by pitch | 0 |
| 9/17/1966 |   | ChN | Cardenal | General | 0 |
| 9/18/1966 | 1 | Hou | Hunter | General | 0 |
| 9/19/1966 |   | Pit | Johnson | General | 5 |
| 9/19/1966 |   | NYN | Wilson | General | 0 |
| 9/20/1966 |   | SF | Mays | General | 1 |
| 9/23/1966 |   | Phi | Shamsky | General | 0 |
| 9/24/1966 |   | StL | Sadecki | Rain delay | 0 |
| 9/27/1966 |   | Hou | Pepitone | Hit by pitch | 11 |
| 9/27/1966 |   | Hou | Wickersham | General | 7 |
| 9/28/1966 |   | NYN | Cimino | General | 0 |
| 9/30/1966 |   | ChN | Cardenal | General | 0 |
| 10/1/1966 |   | Hou | Cox | General | 0 |
| 10/13/1966 |   | Cin | Pinson | General | 0 |