Pacquiao, one of the finest boxers of his generation, paid the price for a slow start and his inability to end the fight with a knockout.
"My name wasn't normally mentioned in those programs, but now hopefully I'm a bit more recognised and I've established myself in the boxing community a bit more".
This was the statement made by Pacquiao's friend and colleague Sen.
The bout ended with the fighters in a clinch on the ropes and although Pacquiao gave a little shuffle and a grin to show he had plenty left in the tank, his fate was in the hands of the judges.
Horn's trainer Glenn Rushton expects his charge will make light work of Pacquiao should he take up the option, but admitted other challenges - like unifying the welterweight division or even taking on Floyd Mayweather Jr. - were tempting.
While the verdict was questioned by many, who pointed to Pacquiao landing a much higher percentage of punches and nearly stopping his opponent in the ninth round, Roach said: "It went the other way and we have to live with that".
Based on overnight Nielsen results, the "Battle of Brisbane" is likely to be the highest-rated fight on ESPN's networks since the mid 1990's.More news: U.S. oil pipeline to Mexico will go right under the wall
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"Kangaroo court", said a member of Pacquiao's inner circle, lawyer Franklin Gacal.
Pacquiao said he would "absolutely" return for a contracted rematch against Horn.
The jaded writer from Sports Illustrated thought Horn won only three rounds. Even though the network retired its Friday Night Fights series a couple years ago, Bristol is on the verge of getting back into the boxing game on a more significant basis.
Pacquiao alleged that Nelson was too liberal in allowing Horn to use wrestling and rough tactics while he was being pinned on the ropes many times during the bruising bout. On Sunday though, a star was born in the middle of the ring.
Roach was clearly not satisfied with Pacquiao's performance, but had to accept how things came to be.
For ESPN, because major fights have been on PPV for so long there hasn't really been a rights fee or bidding process for big fights.
Brisbane is firming as the likely destination for Jeff Horn's first WBO welterweight title defence, but when it will happen or who he will fight remains entirely up in the air.