Alesssandro Ziege (son of) plays in this team. Also around 5 English speaking guys in the team (us, Canadien, poms ). I'd say pub football is a tough label. They have a player their on loan who played in the Chilian top league then MLS.
If you mean Ruiz, he played in Primera B, which is the second tier. And playing in the ground the size of Davey F now probably doesn't suggest that his career is on a sudden upward trajectory.
It does seem that there is some sort of link with the US which probably explains some of those US/Canadian players there:
The article's behind a pay wall though, and I'm not subscribing for this.