And now comes this high-profile showdown in President Obama's own hometown, a labor stronghold.
It turns out he's also the people's choice at the sports books ahead of Saturday's high-profile showdown with Floyd Mayweather.
But there is another side to this high-profile showdown, another superstar whose reputation is on the line, or should be, in the best-of-seven series that will begin Saturday afternoon in Miami.
The Dublin-born mixed martial artist, widely regarded as the Ultimate Fighting Championship's most visible star besides Rousey, said he viewed the historic upset loss as a cautionary tale ahead of his own high-profile showdown against Brazil's José Aldo on 12 December in Las Vegas.
UFC, seeing something in Duffy, put him in a high-profile showdown with elite lightweight Dustin Poirier.
Faced with a high-profile showdown between several hundred riot police and an estimated 10,000 protesters, the NSW government was forced into a sensational backdown.
Billed as "Once and For All," the fight was hosted by Donald Trump, a then-42-year-old (and still only moderately famous) casino owner who paid $11 million for the privilege of splashing his name all over the high-profile showdown.
Throughout the occupation, he added, mail supply tended to drop in the absence of high-profile showdowns with the city.
However, the Yorkshireman would be equally happy with lucrative, high-profile showdowns with long-standing rival Khan or up-and-coming Broner.
But he also has to confront his own history of undercutting himself, going back to the days when, as House speaker in the 1990s, he lost high-profile showdowns with President Bill Clinton, and then his job.
