# John O'Brien

> professional baseball player, born 1851

**Wikidata**: [Q6250779](https://www.wikidata.org/wiki/Q6250779)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/John_O'Brien_(outfielder))  
**Source**: https://4ort.xyz/entity/john-o-brien-q6250779


## References

1. [Baseball Reference](http://www.baseball-reference.com/players/o/o'brijo01.shtml)