| Tm | Name | W | L | Start | End | |
|---|---|---|---|---|---|---|
| BOS | Joe Cronin | 82 | 72 | Beg | End | |
| BOS | Casey Stengel | 65 | 87 | Beg | End | |
| CHA | Jimmy Dykes | 82 | 72 | Beg | End | |
| CHN | Gabby Hartnett | 75 | 79 | Beg | End | |
| CIN | Bill McKechnie | 100 | 53 | Beg | End | |
| CLE | Ossie Vitt | 89 | 65 | Beg | End | |
| DET | Del Baker | 90 | 64 | Beg | End | |
| LAN | Leo Durocher | 88 | 65 | Beg | End | |
| NYA | Joe McCarthy | 88 | 66 | Beg | End | |
| OAK | Connie Mack | 54 | 100 | Beg | End | |
| PHI | Doc Prothro | 50 | 103 | Beg | End | |
| PIT | Frankie Frisch | 78 | 76 | Beg | End | |
| SFN | Bill Terry | 72 | 80 | Beg | End | |
| SLN | Ray Blades | 14 | 24 | Beg | 19400606 | |
| SLN | Fred Haney | 67 | 87 | Beg | End | |
| SLN | Mike Gonzalez | 1 | 5 | 19400607 | 19400610 | |
| SLN | Billy Southworth | 69 | 40 | 19400614 | End | |
| TEX | Bucky Harris | 64 | 90 | Beg | End |
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