Worst: The tag team division
2017 was a tag team renaissance year, with the New Day vs. Usos feud leading the way. Unfortunately, 2018 saw a drastic decline in the quality of WWE's doubles division.
The Raw tag team titles have become the least prestigious in the company this year. In everything from being held by a 10-year-old at WrestleMania, to being carried by a team of comedy jobbers in the summer, to gravitating around urination jokes as the year entered its home stretch, they suffered horribly, under one set of underwhelming champions after another. The September-October resurgence, where they got involved in the Shield reunion, was all too brief.
As usual, SmackDown fared better, but its division still fell from its 2017 highs. The Bludgeon Brothers carried the titles in an underwhelming reign for most of the year. They're currently in good hands with The Bar, but the repetitive nature of the doubles feuds on the blue brand has finally gotten the attention of the higher-ups. Hopefully, they continue to build new teams like Gallows and Anderson and SAnitY.