Pacquiao has held world titles in eight divisions from flyweight to light-middleweight and is set to continue his glittering career in what will be his 70th professional contest.
"I chose Broner, because I believe we can have a good fight and entertain the fans - we cannot underestimate him (Broner)", Pacquiao said.
The welterweight title bout will be Pacquiao's return to the U.S. after a two-year absence.
The Belfast featherweight was edged out on a 4-1 verdict by Italy's defending champion Alessia Mesiano.
Broner, who is 0-1-1 in his past two fights, promised a top-flight effort. F*ck the money. I know when I win this fight, there's more money to come, and y'all [gave me] a chance to make a hundred million. Adrien Broner is a calibre fighter, he is a good fighter and we can not underestimate him. But he didn't win either of his most recent fights, losing a unanimous decision to Mikey Garcia, who won his 36th straight, in July previous year, and then drawing with Jessie Vargas. I got the whole hood with me just like he has the whole Philippines with him. "He's gotta get past me first". Pacquiao picked Broner to fight.
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"As long as I've known him and worked with him he's never turned down a fight, not against bigger opponents like Shawn Porter, not against big punchers like Marcos Maidana, not against the guys that no one wants to fight".
"Mayweather Promotions is looking forward to working with our co-promoters and SHOWTIME to bring this spectacle between Manny Pacquiao and Adrien Broner to the fans at the top of the year", said Leonard Ellerbe of Mayweather Promotions. "He's fast. He's a good boxer and you have to train hard and be in flawless condition to beat him".
"I got three losses, he's got (seven)".
"Of course, things he's done in the game are unbelievable".
That drew angry remarks from Broner who took offense to being used as a stepping stone to another multi-million fight by the two. I talk s-- and play, but I know come January 19 I got to be on top of my s--, though. "I can fight anybody". A win and I turn legend overnight. He's been knocked out; we know he can go to sleep.