Today is day 40 of the 1904 season
1904-05-23 MLB Standings
NL 1904-05-23
| Tm | W | L | BAT | PITCH | UR | dPE | |
| CIN | 22 | 10 | 69.2 | -24.7 | 18.1 | -1.1 | |
| CHN | 19 | 10 | -2.3 | -4.4 | 16.4 | 7.0 | |
| SFN | 18 | 10 | 37.4 | -14.0 | 15.8 | -0.2 | |
| SLN | 16 | 13 | -20.8 | 0.6 | 16.4 | 3.8 | |
| PIT | 13 | 15 | -5.1 | -45.0 | 15.8 | 5.2 | |
| LAN | 13 | 17 | -9.5 | -10.8 | 16.9 | -3.3 | |
| ATL | 10 | 18 | -33.1 | -21.0 | 15.8 | 0.0 | |
| PHI | 5 | 23 | -25.1 | -69.0 | 15.8 | -1.6 | |
AL 1904-05-23
| Tm | W | L | BAT | PITCH | UR | dPE | |
| BOS | 19 | 9 | -15.6 | 58.0 | -13.2 | 3.9 | |
| OAK | 16 | 12 | 28.9 | 43.0 | -17.2 | -7.5 | |
| NYA | 15 | 12 | 0.6 | 5.5 | -10.8 | 4.0 | |
| CHA | 17 | 14 | 25.3 | 16.8 | -21.5 | -1.3 | |
| CLE | 14 | 12 | 26.2 | 23.9 | -22.3 | -3.8 | |
| BAL | 13 | 14 | 6.6 | -2.5 | -9.8 | 0.2 | |
| DET | 10 | 18 | -3.1 | 4.0 | -25.2 | -2.9 | |
| MIN | 6 | 19 | -20.6 | -17.7 | -19.9 | -0.8 | |