# John Callahan

> American baseball player (1874-1954)

**Wikidata**: [Q6224840](https://www.wikidata.org/wiki/Q6224840)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/John_Callahan_(pitcher))  
**Source**: https://4ort.xyz/entity/john-callahan-q6224840


## References

1. Baseball Reference