#1 In search of gold

Dean Ambrose has been a part of SmackDown Live before, and enjoyed a lot of success on the brand. He was once the United States Champion, and the WWE Champion on the brand.
Currently SmackDown has a new United States Champion, but Shinsuke Nakamura is playing a heel, and not a fighting champion. Ambrose could show up on SmackDown in search of gold, and be the top babyface on the brand with AJ Styles, and challenge the Japanese superstar.
R-Truth wanted to 'kill' former WWE writer. More details HERE
The story would play out well, as Ambrose wants to be a champion, but not turn on his brothers, while Nakamura won’t defend his championship unless he finds a worthy opponent.
Who would be a better choice than the third longest reigning United States Champion in WWE’s history? He's not only a worthy opponent, but also one of the favourite superstars.