The following are the baseball events of the year 1973 throughout the world.
| League Championship Series (ALCS, NLCS) | World Series | ||||||||
| East | Baltimore | 2 | |||||||
| West | Oakland | 3 | |||||||
| AL | Oakland | 4 | |||||||
| NL | NY Mets | 3 | |||||||
| East | NY Mets | 3 | |||||||
| West | Cincinnati | 2 | |||||||
Winter Leagues
| American League | National League | |||
|---|---|---|---|---|
| Type | Name | Stat | Name | Stat |
| AVG | Rod Carew MIN | .350 | Pete Rose CIN | .338 |
| HR | Reggie Jackson OAK | 32 | Willie Stargell PIT | 44 |
| RBI | Reggie Jackson OAK | 117 | Willie Stargell PIT | 119 |
| Wins | Wilbur Wood CHW | 24 | Ron Bryant SFG | 24 |
| ERA | Jim Palmer BAL | 2.40 | Tom Seaver NYM | 2.08 |
| Ks | Nolan Ryan 1 CAL | 383 | Tom Seaver NYM | 251 |
1 Modern (1901–present) single-season strikeouts record
American League final standings
| National League final standings
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