Katie Taylor will look to make it three out of three against Amanda Serrano as the Irish star bids to stave off a second career defeat in their trilogy bout this July.
The star has seen off the challenge of her rival twice now, both times in close-fought and arguably controversial circumstances, to leave fight fans baying for more.
Taylor will be determined to deliver again at Madison Square Garden, but it is a far cry from her former days as an international footballer for the Republic of Ireland.
Ahead of her return to the ring, DAZN News profiles five boxing champions and their exploits away from the ring as they found glory and joy away from the canvas.
One of the most decorated fighters of her generation, the star actually began her sporting career as a footballer, earning recognition and honours at international level.
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Taylor was feted as the FAI Under-19 Women's International Player of the Year in 2004 and scored two goals for her country across a three-year spell between 2006 and 2009.
She subsequently focused on boxing, and won gold in lightweight at the London 2012 Olympic Games before embarking on a highly decorated professional career.
The 38-year-old has held undisputed titles across two weight classes and will bid to defend her titles once again when she takes on Serrano for a trilogy bout on Saturday, July 12.
One of the most fascinating sportsmen of the past half-century to emerge from Australia, the two-time super middleweight world champion originally started out in rugby league.
Making his pro debut for the St. George Dragons - later the St. George Illawarra Dragons - in 1993, he spent the majority of his career with the club, playing as a centre.
Mundine spent one season during the Super League War with Brisbane Broncos, winning the lone 1997 Grand Final, and earned State of Origin honours with New South Wales.
His decision to hang up his boots in 2000 to pursue boxing stunned the nation - but within three years, he was WBA champion at super-middleweight, holding it again in 2008.
The rare amateur among this list, the Denver-born sports star holds a particularly special distinction within the pantheon of Olympic heroes, thanks to his feats a dozen years apart.
Eagan is the only man to win gold at both the Summer Games and the Winter Games, achieving success as a boxer in the former when he competed at Antwerp 1920.
There, the former WWI artillery lieutenant scored a top-of-the-podium finish in the light-heavyweight competition, defeating Norway's Sverre Sørsdal to secure his medal.
Twelve years later, he headed to Lake Placid 1932 as part of Billy Fiske's four-man bobsleigh crew - and remarkably, won gold yet again, to etch his name into folklore.
The eight-division world champion is one of the most respected prizefighters of his generation, and arguably in the conversation for the greatest boxer of all time too.
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Having also juggled his career in the ring with that of a politician too, Pacquiao also made history however when he turned his hand to professional basketball in 2014.
The star signed as player-coach, drafting himself, for the Kia Sorento, and led them through three campaigns, where they secured a quarter-final finish in the 2015-16 PBA term.
Pacquiao left after three seasons at the helm, serving as a Senator of the Philippines between 2016 and 2022. He looks poised to return to the ring once again later this year.
The Brown Bomber was one of the most successful boxers of the NYSAC–NBA era, reigning as undisputed heavyweight champion for a dozen years with 26 defences.
His cultural impact endured throughout his first triumph in 1937, through WWII - where he became a focal point for his country - and through to 1949, when he briefly retired.
Louis however also pursued a keen interest in golf, helping to break through racial segregation barriers at a time where the sport was professionally exclusive to white players.
He played as an amateur at the 1952 San Diego Open, then at the 1952 Tucson Open, becoming the only champion from another sport to make the cut at a PGA event.
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