Team Logo. The Rio Grande Valley FC Toros are a team in the United Soccer League. They are owned by the owner of the Rio Grande Valley Vipers. They are an affiliate of the Houston Dynamo. Retrieved from "https://prosportsteams.fandom.com/wiki/Rio_Grande_Valley_FC_Toros?oldid=14609" Categories: USL Pro Teams Teams in Texas Add category Cancel Save Community content is available under CC-BY-SA unless otherwise noted.