10 Longest WWE title reigns of the 21st century

#7 AJ Styles- 371 Days (WWE Champion)

AJ Styles defeated Jinder Mahal on Smackdown to win his 2nd WWEChampionship

And on No. 7 we have The Phenomenal One, AJ Styles! Styles is often regarded as one of the greatest in-ring performers of all time and the man from Georgia didn't take long before establishing himself as the man on Smackdown.

The Phenomenal One is often credited as the main guy who took smackdown live to great heights courtesy of his supreme display every single week.

Styles single-handedly took SmackDown Live to great heights as the phenomenal one was able to put on a tremendous show with almost everyone.

Styles battled Shinsuke Nakamura at WrestleMania before getting into a heated rivalry with Samoa Joe. He conquered every challenge in front of him before finally being defeated by Daniel Bryan.

AJ Styles' reign was greatly appreciated as the fans long wanted a fighting world champion and in him they got exactly what they wanted.

Styles defended his title on numerous occasions and succeeded every time but one. The phenomenal one kept the WWE title for an impressive 371 days before being defeated by Daniel Bryan on Smackdown live, before Survivor Series, 2018.