Pro Specs

I know that there have been many posts before asking for pro specs. However, there hasn't been anything recently. Do we know the specs of the top players? How does Djokovic's specs compare to Federer's? Where does Murray's fall into?

Also, What are some of the average specs for different types of players? For example, what are the average specs of retrievers/defender compared to the aggressive players specs? It would be cool to know the average specs of a defender, aggressor,...

Pro Specs