Today is day 31 of the 1909 season
1909-05-12 MLB Standings
NL 1909-05-12
| Tm | W | L | BAT | PITCH | UR | dPE | |
| PIT | 14 | 8 | 6.6 | -0.5 | 0.0 | 4.7 | |
| PHI | 11 | 8 | -1.4 | 4.0 | 0.0 | 2.5 | |
| CHN | 13 | 11 | 6.1 | 4.6 | 0.0 | -0.2 | |
| ATL | 10 | 10 | 6.1 | 1.5 | 0.0 | -1.6 | |
| CIN | 12 | 13 | 8.1 | -20.9 | 0.0 | 1.7 | |
| LAN | 9 | 11 | 4.6 | -5.5 | 0.0 | -1.8 | |
| SFN | 8 | 11 | -19.4 | 13.0 | 0.0 | -1.7 | |
| SLN | 10 | 15 | 14.6 | -21.9 | 0.0 | -3.5 | |
AL 1909-05-12
| Tm | W | L | BAT | PITCH | UR | dPE | |
| DET | 16 | 5 | 25.1 | 12.0 | 0.0 | 3.2 | |
| BOS | 12 | 8 | 13.1 | 17.5 | 0.0 | -2.4 | |
| NYA | 11 | 9 | 26.1 | -18.5 | 0.0 | 0.4 | |
| OAK | 10 | 9 | -8.9 | 13.0 | 0.0 | 0.1 | |
| CHA | 11 | 11 | -15.4 | 4.5 | 0.0 | 2.3 | |
| CLE | 9 | 12 | -5.4 | -1.0 | 0.0 | -1.7 | |
| MIN | 6 | 13 | -27.4 | -11.0 | 0.0 | 1.1 | |
| BAL | 6 | 14 | -31.9 | 9.5 | 0.0 | -3.3 | |