World Series became mandatory between league champions
E1698691
UNEXPLORED
The World Series became a compulsory annual championship matchup between the American League and National League winners, ensuring that each season’s league champions faced off to determine Major League Baseball’s overall champion.
All labels observed (1)
| Label | Occurrences |
|---|---|
| World Series became mandatory between league champions canonical | 1 |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.