Hell in a Cell is one of WWE's most highly anticipated events in a long time. The creative team has done a fantastic job of creating intriguing storylines and building up hype going into the event.
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Eight matches have been already advertised for the show including six Championship bouts. But even then, there are a lot of major stars who are to be announced to be on the show.
Superstars like Finn Balor, Nakamura and Asuka are facing the prospect of potentially missing the show if the WWE doesn't manage to spots for them on the card quickly.
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So let us take a look at three matches that might still be added to the Hell in a Cell card.
#3 US Title Open Challenge: Shinsuke Nakamura vs Harper
Over the past several weeks, Nakamura has been used as a pawn in the feud between Randy Orton and Jeff Hardy.
And while Orton and Hardy will meet inside the Hell in a Cell structure on Sunday, Nakamura finds himself without an opponent despite being the current United States Champion.
The WWE could solve this problem by having Nakamura host his own US Title Open Challenge. Such a segment could slide in seamlessly in between two matches on the main card.
Nakamura's opponent should be former Tag Team Champion, Luke Harper. Since Rowan's injury, Harper has been off television without a partner to work with. But he remains one of WWE's most talented in-ring workers and could put on a terrific match with Nakamura if given the chance.
It would also help get Nakamura on the show and if everything goes to plan, the Nakamura US Title Open Challenge might even hit it off with the WWE Universe.
#2 Andrade 'Cien' Almas & Zelina Vega vs R-Truth & Carmella
If this week's events are anything to go by, then this match is clearly going to happen this Sunday on the Hell in a Cell pre-show.
On SmackDown, Almas faced R-Truth in one on one action. But after Almas had trouble putting the veteran away, the women started to fight at ringside. Almas managed to use this distraction and got the roll-up pin after holding on to Truth's pants.
This feud looks a let down for Almas, Vega and Carmella. Just a few weeks back Almas was busy stealing the show with Daniel Bryan but now must fight a past his prime veteran who most fans don't even remember.
Carmella too was the SmackDown Women's Champion last month but now finds herself in an association with the aforementioned R-Truth.
Now that WWE has added the two women as well as some controversy to this storyline, expect them to book the four competitors in a mixed tag team match this Sunday and most probably on the pre-show.
#1 Finn Balor vs Elias Samson
Both of these men are two of the most popular Superstars on the roster. While Balor is one of the most talented wrestlers on the planet, the fans just enjoy Elias' character and segments. But even that has not managed to get either booked on the pay-per-view event.
But all that can change this Sunday if the company decides to book the two against each other. After months of mediocrity, Balor is relevant again after bringing back his 'Demon King' gimmick at Summerslam. The WWE should try to keep his newfound momentum going instead of having him sit at home on one of the major pay-per-view events.
Elias, on the other hand, can keep on holding his 'concerts' for so long before the crowd starts to get tired of his act. Both these men faced this week on Raw and they must face each other again this Sunday even if it is on the pre-show.