Today is day 48 of the 1904 season
1904-05-31 MLB Standings
NL 1904-05-31
| Tm | W | L | BAT | PITCH | UR | dPE | |
| SFN | 25 | 11 | 44.0 | -10.1 | 20.2 | 2.6 | |
| CHN | 24 | 11 | -2.3 | -2.6 | 19.6 | 9.9 | |
| CIN | 26 | 12 | 76.3 | -22.1 | 21.3 | -1.9 | |
| SLN | 17 | 17 | -23.7 | 2.8 | 19.1 | 0.4 | |
| PIT | 16 | 19 | -13.3 | -56.6 | 19.6 | 7.6 | |
| LAN | 15 | 23 | -13.2 | -19.1 | 21.3 | -5.7 | |
| ATL | 13 | 22 | -38.8 | -26.6 | 19.6 | 0.6 | |
| PHI | 6 | 27 | -29.1 | -80.7 | 18.5 | -1.8 | |
AL 1904-05-31
| Tm | W | L | BAT | PITCH | UR | dPE | |
| BOS | 25 | 10 | -12.8 | 68.4 | -11.4 | 5.7 | |
| CLE | 19 | 13 | 44.0 | 23.8 | -21.0 | -3.8 | |
| OAK | 20 | 15 | 29.2 | 49.4 | -19.4 | -7.4 | |
| NYA | 19 | 15 | 1.3 | 16.8 | -18.9 | 4.2 | |
| CHA | 19 | 17 | 22.0 | 19.9 | -25.8 | -1.4 | |
| BAL | 15 | 18 | 5.4 | 0.3 | -12.5 | -1.6 | |
| DET | 12 | 21 | -6.6 | 4.3 | -27.5 | -2.7 | |
| MIN | 6 | 26 | -24.5 | -24.2 | -32.0 | -3.1 | |