#2 Braun Strowman
Braun Strowman has been engulfed in a feud with Roman Reigns for the Universal Championship since the Raw after Summerslam. He even turned heel in this feud with the Big Dog and got Dolph Ziggler and Drew McIntyre as accomplices to negate the Shield advantage.
He cashed in his Monster in the Bank contract for a championship match at Hell in a Cell. Braun Stroman joined the likes of John Cena, Damien Sandow, and Baron Corbin in the exclusive list of failed Money in the Bank contract cash-ins, albeit by a no contest.
He is set to get another shot at Universal Championship Title at Crown Jewel event but is not expected to win the title there. Survivor Series is the only big PPV left this year which is also renowned for brand exclusive contests, so it looks highly unlikely that Braun Strowman may get a chance to defeat Roman Reigns this year.
He may get his chance come Wrestlemania season. According to this author, he is the second likeliest Superstar to dethrone the Big Dog.