pretty severe injuries, and his body just was very weak on top of that severe infections from all the multiple bite wounds he s gotten. reporter: harper says there s no question remy whose only about a year and a half old had been repeatedly used for dog fighting. and when the poor pup got sick, he was tossed out like trash. all of the nick that is he has here, all of the discoloration in the fur and the nicks are all from previous fights. i hope we can stop this kind of behavior. because it s awful. it s really awful for the pets for the patienting to undergo this kind of brutality. reporter: now remy is fighting whole new battle. he s fighting for his life. as long as he keeps fighting he keeps showing he s getting better and he s not in pain we ll continue to fight with him. he s not out of the woods y yet. he has shown some improvement since he first came in so that s encouraging. but you know it s still touch and go. reporter: but a lot of people rooting