# Sergio Martínez

> Argentinian boxer

**Wikidata**: [Q973553](https://www.wikidata.org/wiki/Q973553)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Sergio_Martínez_(boxer))  
**Source**: https://4ort.xyz/entity/sergio-mart-nez


## References

1. BoxRec
2. list of WBO world champions
3. list of WBC world champions
4. list of The Ring world champions
5. list of IBO world champions
6. [Source](https://www.bwaa.org/past-winners)
7. Virtual International Authority File
8. Freebase Data Dumps. 2013