AJ Styles defends the WWE World Championship against John Cena and Dean Ambrose in the second SmackDown exclusive pay-per-view of the year. WWE opened No Mercy with the main event. The company decided to open the event with the World Champion event where AJ Styles, John Cena and Dean Ambrose played a triple threat match to decide the champion. The triple threat match gave each of the three wrestlers moments to shine before one emerged as the winner.
Cena had a difficult time in the match with Ambrose locking him up in STF which was only broken by Styles, who later suplexed Cena. Ambrose also received a splash from Styles. Cena locked Styles in the STF and alsmost the submission when Ambrose held Styles hand to prevent it.
Styles almost got a submission on Cena before Ambrose intervened and tried to get a submission on Styles. Cena came back and got Styles in STF again when he was trying to get a submission on Ambrose. Styles tapped out but no winner was declared. Surprisingly, the bell had rung the fight continued.