It has been dubbed the fight of the century, and it has all the hallmarks of a storybook showdown of good versus evil.
The showoff - Floyd Mayweather - versus, the people's hero, Manny Pacquiao.
Mayweather, or "money" as he's known, has done the almost impossible. A five-time world champion, undefeated in 47-fights, but better known for his diamond-encrusted arrogance which he flaunts across social media in a never-ending pictorial parade of garish hip hop style riches. Picture, piles of money, lines of luxury cars, cabinets of diamond watches.
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Then there's Pacquiao, or Pac Man as he's known. Just like his video-game alias, Pacquiao never stops inching forward; adorable in appearance, and humility. From poverty, to politics in the Philippines, and philanthropy - the eight-division world champion's road to the ring at the MGM Grand Casino in Las Vegas this Saturday, is a Rocky Balboa-style fairytale.
The fight is the richest in history - quite fitting of Mayweather, 38, the highest paid athlete in the world - with the fighters sharing £150m. Well, kind of. The purse is being split 60-40 in Mayweather's, favour.
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In total, the fight is expected to bring in £195m with Mayweather receiving £117 and Pacquiao £79m.
As excitement builds for the showdown (which will happen about 4am Sunday UK time) the two athletes met the press on Tuesday, in events fitting of their personalities. One had all the trimmings of a Super Bowl parade, the other a small-town fair.
Mayweather took to the stage at the MGM Grand Arena accompanied by a marching band and scantily-clad dancers. He wore a tracksuit and cap,branded with his TMT - The Money Team - logo, and gesticulated to the crowd.
Pacquiao, 36, had a smoke machine, and wore a big smile. He waved at fans, who raised home-made banners featuring cut-outs of Pac Man. A traditional dance was performed.
Mayweather is the favourite to win with odds as short as 4/9 on with some bookmakers. Pacquiao is generally priced at 2/1 to win. A draw is priced at around 18/1.Suggest a correction