Today is day 50 of the 1909 season
1909-05-31 MLB Standings
NL 1909-05-31
| Tm | W | L | BAT | PITCH | UR | dPE | |
| PIT | 26 | 12 | 33.9 | 4.3 | 0.0 | 6.0 | |
| CHN | 24 | 16 | 19.4 | 21.2 | 0.0 | -0.5 | |
| SFN | 17 | 17 | -7.1 | 18.5 | 0.0 | -2.4 | |
| PHI | 17 | 17 | -5.1 | 9.5 | 0.0 | -0.9 | |
| CIN | 19 | 21 | 4.9 | -38.8 | 0.0 | 5.1 | |
| LAN | 16 | 18 | 4.4 | -3.5 | 0.0 | -2.2 | |
| SLN | 17 | 23 | 17.4 | -27.8 | 0.0 | -3.8 | |
| ATL | 12 | 24 | -17.1 | -21.6 | 0.0 | -3.9 | |
AL 1909-05-31
| Tm | W | L | BAT | PITCH | UR | dPE | |
| DET | 25 | 12 | 39.4 | -2.1 | 0.0 | 5.2 | |
| OAK | 21 | 14 | 1.4 | 31.9 | 0.0 | 0.0 | |
| NYA | 18 | 14 | 21.9 | -19.4 | 0.0 | 3.5 | |
| BOS | 19 | 16 | 6.9 | 13.9 | 0.0 | -1.4 | |
| BAL | 17 | 19 | -39.1 | 30.4 | 0.0 | -0.2 | |
| CLE | 16 | 21 | -12.1 | -10.1 | 0.0 | -0.3 | |
| CHA | 15 | 21 | -16.6 | -1.6 | 0.0 | -2.2 | |
| MIN | 10 | 24 | -34.5 | -25.5 | 0.0 | -1.4 | |