Baby iguana question?

i have two baby ig questions and i bought 2 igs about 2 months ago, and they fight over their sides of the cage, like bob-heading , etc. ive took out there deadwood thing they bask on and its the hihest point of there cage, once i took it out there fine but after that i took the one out that was being bittne alot by the other one and its left elbow was really SWOLLEN! i made a splint for it but what should i do ?