Today is day 58 of the 1903 season
1903-06-12 MLB Standings
NL 1903-06-12
| Tm | W | L | BAT | PITCH | UR | dPE | |
| SFN | 33 | 13 | 44.3 | 14.4 | 29.6 | 1.5 | |
| CHN | 33 | 16 | 21.9 | -8.8 | 31.5 | 7.6 | |
| PIT | 34 | 17 | 53.0 | -16.9 | 32.8 | 2.5 | |
| LAN | 24 | 23 | -11.7 | -43.7 | 30.2 | 6.3 | |
| CIN | 19 | 25 | -24.3 | -21.5 | 28.3 | -2.3 | |
| ATL | 18 | 27 | -28.3 | -31.6 | 28.9 | -2.5 | |
| PHI | 13 | 31 | -14.8 | -93.5 | 28.3 | -1.2 | |
| SLN | 14 | 36 | -64.1 | -103.9 | 32.1 | 6.5 | |
AL 1903-06-12
| Tm | W | L | BAT | PITCH | UR | dPE | |
| BOS | 27 | 17 | 42.7 | 38.5 | -18.7 | -3.1 | |
| OAK | 27 | 18 | 15.7 | 65.4 | -6.1 | -6.8 | |
| CLE | 23 | 18 | 12.1 | 44.7 | -44.7 | 2.5 | |
| BAL | 21 | 17 | 3.0 | 47.8 | -17.6 | -3.0 | |
| CHA | 21 | 20 | 3.1 | 24.7 | -50.7 | 5.8 | |
| DET | 20 | 23 | 14.7 | 50.5 | -34.4 | -9.5 | |
| NYA | 18 | 23 | -22.4 | 19.7 | -22.7 | 0.3 | |
| MIN | 11 | 32 | -28.8 | -1.5 | -49.4 | -4.3 | |