“From rivals to teammate” This is why this picture is going viral on the internet

Why Novak Djokovic believes Andy Murray is the man to help his one last push to overhaul Carlos Alcaraz and Jannik Sinner as former tennis rivals begin shock chapter together?
I think this is more to do with them both wanting to hang out with each other, they like each other a lot and on a long drawn out tennis season makes perfect sense, plus he can train with a top level athlete, its a win win all around for the both of them.