Manny Pacquiao has hung up the gloves.
The 42-year-old, who is the only person to win titles in eight divisions, has retired.
In an emotional video posted on Twitter, the Filipino said the decision was the hardest of his life.
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Small in stature, Pacquiao finishes as a giant of the boxing world.
He finishes with a 62-8-2 record, with 39 knockouts.
Not bad for a 16-year-old boy who put rocks in his pockets to make the minimum weight when starting out.
His final dance was a unanimous points-decision loss to Cuban Yordenis Ugas at T-Mobile Arena in Las Vegas last month.
“My legs are so tired, that’s why it’s hard to move,” Pacquiao said shortly after going down after 12 three-minute rounds.
At 42, the PacMan had no more to give.
No one could question his energy and his ability to throw a punch, of which there were more than 800, but less than 20 per cent landed.
The “Cuban right-hook” and the double jab from the longer reach of Ugas ultimately was the difference.
Following the defeat, Pacquiao foreshadowed the end was nigh.
“I don’t know,” he said. “Let me rest first and relax and make a decision if I’m continuing to fight or not.”
Later he added: “In the future you might not see Manny Pacquiao fight in the ring again.”
Five weeks later, Pacquiao has made it official.
“Boxing has always been my passion, Pacquiao said in a video posted on social media.
“I was given the opportunity to represent the Philippines, bringing fame all over the country every time I entered the ring. I am grateful for all my accomplishments and the opportunities to inspire the fans.”
In a tweet, he added: “To the greatest fans and the greatest sport in the world, thank you! Thank you for all the wonderful memories. This is the hardest decision I’ve ever made, but I’m at peace with it. Chase your dreams, work hard, and watch what happens. Good bye boxing.”
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Pacquiao has turned his attention to challenging for the Philippines presidency.
“I boldly accept the challenge of running as PRESIDENT of the Philippines,” he announced recently.
“We need progress. We need to win against poverty. We need government to serve our people with integrity, compassion and transparency. The time is now. I am ready to rise to the challenge of leadership.”