is one piece episode 649 filler?

The crowd is abuzz with excitement and Gatz is amazed with the fight commenting on the speed of the fight and how words are escaping him in trying to describe it, calling it one of the greatest fights ever to take place in the colosseum. Back in the arena, Chinjao is berating Luffy for being like the rest of his generation and having a big head merely because he is labeled as part of "the worst generation", saying that they are nothing compared to his generation.