Today is day 44 of the 1991 season
1991-05-21 MLB Standings
NL East 1991-05-21
| Tm | W | L | BAT | PITCH | UR | dPE | |
| PIT | 23 | 13 | 14.0 | 11.7 | -2.9 | 5.2 | |
| NYN | 21 | 15 | -1.5 | 30.7 | -8.9 | 1.7 | |
| SLN | 20 | 17 | -3.0 | 3.5 | 4.5 | 1.9 | |
| WAS | 19 | 19 | -18.1 | 10.3 | 3.8 | 0.8 | |
| CHN | 18 | 20 | -1.1 | -3.7 | -0.2 | -0.9 | |
| PHI | 18 | 20 | -4.6 | 7.3 | 2.8 | -3.2 | |
NL West 1991-05-21
| Tm | W | L | BAT | PITCH | UR | dPE | |
| LAN | 21 | 16 | -0.9 | 28.5 | -5.5 | 0.4 | |
| ATL | 19 | 15 | 24.5 | 26.2 | -1.7 | -6.3 | |
| CIN | 18 | 18 | -27.0 | 18.7 | 4.1 | 0.9 | |
| SDN | 19 | 20 | -10.6 | -21.0 | 1.2 | 5.4 | |
| HOU | 14 | 23 | -27.5 | -22.5 | -0.5 | 1.6 | |
| SFN | 12 | 26 | -18.1 | -18.7 | 3.8 | -7.1 | |
AL East 1991-05-21
| Tm | W | L | BAT | PITCH | UR | dPE | |
| BOS | 22 | 14 | 7.5 | 1.7 | 7.1 | 4.6 | |
| TOR | 24 | 16 | 6.4 | 22.8 | 1.6 | 1.5 | |
| DET | 18 | 19 | 26.0 | -4.5 | -6.5 | -4.2 | |
| MIL | 17 | 20 | 6.0 | -14.5 | 2.5 | -1.7 | |
| CLE | 14 | 21 | -6.0 | 5.9 | -0.3 | -6.9 | |
| NYA | 13 | 23 | -2.5 | -24.3 | -4.9 | -3.3 | |
| BAL | 13 | 23 | -7.5 | -34.3 | -2.9 | -0.6 | |
AL West 1991-05-21
| Tm | W | L | BAT | PITCH | UR | dPE | |
| SEA | 23 | 16 | -8.6 | 14.0 | 0.2 | 5.8 | |
| OAK | 22 | 16 | 38.4 | -28.7 | -1.2 | 4.2 | |
| TEX | 19 | 14 | 31.2 | -8.6 | 5.9 | -1.0 | |
| ANA | 22 | 17 | 9.9 | 15.0 | 0.2 | -0.3 | |
| MIN | 19 | 19 | 4.4 | 8.3 | -1.2 | -2.4 | |
| CHA | 17 | 18 | -15.5 | -23.1 | 0.7 | 7.0 | |
| KCA | 15 | 22 | -17.0 | -0.5 | -1.5 | -3.0 | |