What river is the namesake of the city that sports club Boca Río Gallegos is located in?
Boca Río Gallegos: Club Boca Río Gallegos is an Argentine sports club from the city of Río Gallegos, Santa Cruz. Río Gallegos, Santa Cruz:  The city bears the name of the Gallegos River, and sits on its estuary 2636 km south from the Argentinian federal capital Buenos Aires.
Gallegos River