Rubuta ci gaba don wannan sakin layi - A ranar 17 ga Oktoba na "SmackDown", Styles ya fara gasa tare da WWE Champion, Jinder Mahal, ta hanyar fuskantar shi da kai masa hari. A ranar 22 ga Oktoba, Styles ya bayyana a taron Raw na musamman, yana fafatawa da Finn Bálor saboda abokin hamayyar Bálor na asali Bray Wyatt ba a ba shi izinin yin gasa ba, inda Bálor ya ci shi. A ranar 7 ga watan Nuwamba na "SmackDown" a Manchester, Ingila, Styles ya ci Jinder Mahal don lashe WWE Championship a karo na biyu a cikin abin da ya nuna karo na farko da taken ya canza hannun "SmackDown" tun watan Satumbar 2003, WWE ta gane shi a matsayin farkon wanda aka nada a waje da Arewacin Amurka (Antonio Inoki ya lashe taken a Japan a 1979, amma WWE ba ta yarda da wannan mulkin ba). Tare da nasara, Styles ya maye gurbin Mahal a wasan zakarun da zakarun a Survivor Series da Universal Champion Brock Lesnar, wanda zai ci gaba da rashin nasara. A Gasar Zakarun Turai
a ranar 17 ga Disamba, Styles ya kayar da Mahal ta hanyar mika wuya a cikin kariyarsa ta farko. Rikici na gaba na Styles ya zo ne da Kevin Owens da Sami Zayn, wanda ya rasa wasannin baya-baya saboda tsangwama, wanda ya haifar da wasan zakarun nakasassu a Royal Rumble a ranar 28 ga Janairu, 2018 wanda Styles ya ci nasara. Styles sannan ya sami nasarar kare taken daga Kevin Owens, Sami Zayn, John Cena, Baron Corbin, da Dolph Ziggler a cikin kalubalen rukuni shida a Fastlane a ranar 11 ga Maris.