World's Largest Pitbull Fathers Eight Pups Worth Up To Half A Million Dollars (Pics & Video)

And there are even hopes one of the new batch could one day grow big enough to steal their father's crown. Marlon, 28, said: 'This is definitely one of the most valuable litters we have had. If the litter were all trained as protection dogs they could be worth in excess of half-a-million dollars, absolutely. 'In about five to seven weeks we'll start to see them separate out and get a good idea of just how big they will get.