#2 Sami Zayn's one-off opportunity to fight Roman Reigns will be a spontaneous moment at WWE Elimination Chamber
Sami Zayn hasn't been in the WWE World Championship picture for a long time now. He was far away from the Universal Championship scene until SmackDown, where he qualified for the WWE Elimination Chamber match.
Not many fans will be thinking that Zayn will be taking on Roman Reigns at the Elimination Chamber, especially after Kevin Owens appeared to deliver Stunners to everyone on SmackDown. Moreover, fans won't expect WWE to book two different kinds of antagonists against each other in a world title match, that too, on pay-per-view.
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Since KO is already in a rivalry with Reigns, WWE could look to host a match between The Tribal Chief and Zayn at Elimination Chamber without needing to extend it for longer.
Jey Uso or someone else could take away the Elimination Chamber opportunity from KO. This angle will also benefit Zayn's character, and it will give fans a different ending from what they might be expecting from the match.
Reigns could then go on to win the match at Elimination Chamber with ease and continue his reign as the Universal Champion while coming across as the top villain amongst all other villains in WWE.