I really hope that the animators take this chance to introduce a small filler arc after Punk Hazard completely wraps up (few more episodes yet). The buffer between Manga & Anime is non-existent. The last episode did something I never expected. They recapped the arc! clearly padding the episodes and stretching panels are no longer enough.
Punk Hazard was a great arc in my opinion, but the anime didn't really portray that, well not consistently enough. When I re-read the arc it was a lot more fast-paced and had me thoroughly entertained, besides the art work for One Piece is sensational and the transition into the anime isn't as good, or at least not as consistent. It's good but there are times where you just can't overlook it.
If they can introduce a filler arc soon, say 5-8 episodes, they can keep a lot of anime only viewers throughout the majority of the Dressrosa arc and that would be amazing. Dressrosa starts off great then naturally slows down, things kick-off when the tournament begins and I think that the anime will do a better job handling all the new characters that are introduced in the tournament. Besides they can take their time on the early round fighting scenes too, those weren't so great in the manga (quite a few fodder fighters) and I think they can make the most of it by covering more fights in one episode.
The current arc looks like it could end up as one of the best, if not the best. So I really want to see the quality come over to the anime too.