5 opponents for Brock Lesnar after winning the WWE Championship at Day 1

#4 Big E will want revenge after losing the WWE Title at Day 1

Big E was seemingly planned to retain the WWE Championship at Day 1 before Brock Lesnar was added to the match. Fans of the New Day member were rightfully disappointed at the outcome, but there may yet be hope.

If WWE has Big E's path to WrestleMania mapped out, chances are he will regain the WWE Championship from The Beast Incarnate. The rematch could potentially happen at Royal Rumble, depending on how Day 1 affected the promotion's plans for The Show of Shows.

It would be incredible to see Big E defeat Brock Lesnar to win his second WWE Title, avenging his and Kofi Kingston's losses to the megastar in the process. If he and Lesnar have a singles match, the younger star has to win.

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#3 AJ Styles can face Brock Lesnar in a Survivor Series 2017 rematch

If Brock Lesnar's WWE Championship reign lasts from Day 1 to WrestleMania. Big E shouldn't be fed to Lesnar. But there are a couple of interesting options. One of them is AJ Styles, who had a brilliant match with The Beast Incarnate at Survivor Series 2017.

The Phenomenal One is once again a babyface after getting dumped by Omos. This would be a great match for Brock Lesnar, although it would be quite predictable. Besides, Styles is currently busy with a program on NXT 2.0 against Grayson Waller.

Between him and Omos, it seems like the two-time WWE Champion will be tasked with putting over younger talent from now on. AJ Styles should get one last hurrah in the main event scene, though.