John Clarkson
E1113148
UNEXPLORED
John Clarkson is a former Major League Baseball pitcher best known for his dominant performances in the late 19th century, including multiple 30-win seasons and a Hall of Fame career.
All labels observed (1)
| Label | Occurrences |
|---|---|
| John Clarkson canonical | 1 |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.