Dogs trained to pick up out-of-bounds balls at Brazil Open
In an effort to bring awareness to Brazil's populous animal shelters and to help get stray dogs adopted, four gorgeous canines were trained for months to work as "ball boys" during games.
They made their debut at the exhibition game between Spain's Roberto Carballes Baena and Portugal's Gastao Elias.
Related: See how this adorable dog "does laundry":
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