Opinion: The argument is over, Novak Djokovic is the greatest men's tennis player in history

When he finally reached the end of the climb, Novak Djokovic fell on his back, into the dirt and the grass at the All England Club. He got to his feet, raised his arms to the air and then crouched down to pick a few blades from the court where he had just won his 20th Grand Slam singles title. 

Djokovic proceeded to put them in his mouth, a fitting tribute to what he’s doing to tennis history: Devouring it.