Tudor's Black Jack, Jr., was very similar build and coloration as Nails, although Nails was much smaller and had untrimmed ears.
Billy Sunday is a candidate for one of the greatest pit dogs of all time.
DNK's Champion Rocco is ver similar in coloration to Nails, but Nails was a much smaller dog with a more robust build.
Notice how the head of Champion Steamer has the depth or almost the same depth as that of the large cats.
A young James Garner with Champion Spike. Notice the powerful head.
Another view of the great El Titere.