is one piece episode 966 filler?

Happy to see each other, Whitebeard and Roger began to clash, and their crews also started battling each other. The battle lasted for a total of three days after which a ceasefire ended the battle.

A gift exchange was carried out on the fourth day, and Shanks and Buggy appeared frightened by Teach, who had allegedly never slept in his life. Roger meets with Whitebeard and Oden, amazed that Oden could read a Poneglyph.