After Tye Dillinger defeated Baron Corbin by pinfall on Smackdown, the Perfect 10 was added to the United States championship match at Hell in a Cell.
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If Dillinger can overcome Styles and Corbin, it would be his first WWE championship.
Styles has held the title for over 70 days, which is his second reign with the belt. He defeated Chris Jericho and Kevin Owens to win the belt back in July. He's defended the belt against Owens three times and Dillinger twice.