#1. Will get pushed: Tommaso Ciampa

Where Gargano may suffer, Tommaso Ciampa may benefit. He may be "smaller" than a lot of superstars on the main roster, but he's one of the very best they have. In NXT, he's shown a whole new side of his character, going from being one-half of a loved tag team to the most hated superstar there is.
If you've seen NXT in 2018 you know exactly what reactions we're talking about. Ciampa has all the makings of a top heel, something that WWE desperately needs. He has a great look as well, and he's an easily detestable superstar.
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Ciampa can go all the way to the top, especially given how much WWE loves heat. There seems to have been a void for the spot anyway, and hopefully, Ciampa can take the ball and run with it. The fact that he's a world-class in-ring performer definitely goes a long way too.