Heliodoro "Yoyo" Diaz (June 5, 1905 - January 1989) was a Cuban professional baseball pitcher and catcher in the Negro leagues.
This biographical article relating to a Cuban baseball pitcher is a stub.
You can help Wikipedia by expanding it.This biographical article relating to a Cuban baseball catcher is a stub.
You can help Wikipedia by expanding it.This Negro league baseball pitcher article is a stub.
You can help Wikipedia by expanding it.This Negro league baseball catcher article is a stub.