#2 Should Be - Daniel Bryan

In case WWE Creative is so desperate to have their golden boy in the main event picture, they can have him battle for the WWE Championship at WrestleMania 35. New Day's member, Kofi Kingston is the favorite to lose at WWE Fastlane meaning that the blue brand will have no clear #1 contender.
After Fastlane, Roman Reigns can join SmackDown Live where he could become the #1 contender for the WWE Championship ahead of WrestleMania 35. Given the nuclear heat that Bryan receives from the WWE Universe, he can even help to put Reigns over with the crowd.
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Roman Reigns can win the WWE Championship at WrestleMania 35 and kick off a new era on Tuesday nights. This move can also help to increase the viewership of SmackDown going forward.