Today is day 47 of the 1978 season
1978-05-21 MLB Standings
NL East 1978-05-21
| Tm | W | L | BAT | PITCH | UR | dPE | |
| PHI | 19 | 16 | 25.5 | 17.4 | -2.1 | -5.6 | |
| CHN | 19 | 17 | -9.7 | 3.2 | -2.7 | 3.9 | |
| WAS | 18 | 19 | -9.8 | 4.9 | 2.8 | -0.6 | |
| PIT | 18 | 19 | -6.3 | 2.9 | -7.2 | 1.2 | |
| NYN | 18 | 22 | -22.8 | 1.2 | 1.3 | 0.3 | |
| SLN | 14 | 26 | -18.8 | 2.2 | -1.7 | -8.2 | |
NL West 1978-05-21
| Tm | W | L | BAT | PITCH | UR | dPE | |
| SFN | 23 | 14 | -12.3 | 20.9 | 5.8 | 6.0 | |
| LAN | 23 | 15 | 41.0 | 10.7 | 3.3 | -3.5 | |
| CIN | 24 | 16 | 29.7 | -11.8 | -0.7 | 4.4 | |
| HOU | 18 | 18 | -6.6 | 3.2 | 8.3 | -1.0 | |
| SDN | 17 | 21 | -31.2 | 12.7 | -3.7 | 0.7 | |
| ATL | 14 | 22 | -45.7 | -4.8 | -5.7 | 3.8 | |
AL East 1978-05-21
| Tm | W | L | BAT | PITCH | UR | dPE | |
| DET | 23 | 12 | 40.0 | 10.4 | -3.1 | 1.1 | |
| BOS | 25 | 14 | 46.4 | -0.5 | 3.8 | 0.6 | |
| NYA | 23 | 14 | 10.7 | 17.9 | 5.8 | 1.8 | |
| CLE | 18 | 19 | -10.8 | 0.9 | 3.8 | 0.3 | |
| MIL | 18 | 19 | 35.2 | -21.1 | 1.8 | -4.3 | |
| BAL | 16 | 21 | -6.3 | -27.1 | -12.2 | 4.6 | |
| TOR | 14 | 23 | -8.2 | -50.1 | 8.8 | 1.4 | |
AL West 1978-05-21
| Tm | W | L | BAT | PITCH | UR | dPE | |
| OAK | 24 | 15 | -32.1 | 46.5 | -5.2 | 7.1 | |
| ANA | 21 | 16 | 9.2 | 7.9 | 10.8 | -0.9 | |
| TEX | 19 | 17 | -7.2 | 5.2 | -0.7 | 2.6 | |
| KCA | 19 | 17 | 3.8 | -0.8 | 1.3 | 1.1 | |
| MIN | 15 | 24 | 16.4 | -18.5 | -4.2 | -7.7 | |
| CHA | 12 | 23 | -11.0 | -13.6 | -5.1 | -4.8 | |
| SEA | 14 | 27 | -18.5 | -20.0 | -3.3 | -4.2 | |