#1 Dolph Ziggler wins the whole tournament
Dolph Ziggler's career was going nowhere and he was treated as an enhancement talent. It wasn't until he came back with Drew McIntyre that things turned around. Together they went on to defeat the B-Team to become the new RAW Tag Team Champions and have held on to the titles ever since.
Dolph Ziggler and Drew McIntyre teamed up with Braun Strowman to form the Dogs of War, which recently disbanded when Strowman attacked Ziggler.
Last week on RAW, Ziggler won a qualifying match for the World Cup against Dean Ambrose. But, among all the eight participants, Dolph Ziggler has the least chance of winning the tournament. Nobody expects him to win the tournament, at most he is expected to win a one off match, and that too with some shenanigans.
It would be a real swerve if he wins the whole tournament. It would reestablish him and bring some relevance back and could become a major talking point. Moreover, the Best in the World tag suits a heel more, which Ziggler could brag about in future.