Tennis
Ball
Dogs
Screen 1 of 1
Six
dogs
have been
trained
 
to
become
ball
dogs
at
this year's
Brazil
Open tennis
tournament
in
 
Sao
 
Paulo.
All of
 
the
dogs
have
come
from
 
an
animal shelter
 
 
and
are
looking
 
for
new
homes.