Aden Durde made sporting history as he became the first overseas coach to win the Super Bowl, leading the Seattle Seahawks' mighty defence against the New England Patriots in Santa Clara.
The 46-year-old from Enfield, north London, served as defensive coordinator - positioned just one level below the head coach in the NFL hierarchy.
His remarkable path to American football's showpiece event has drawn widespread admiration from colleagues and former mentors alike.
"He has been able to overcome so much in the course of his career," Seattle assistant head coach Leslie Frazier told BBC Sport. "When I think about how he got started and where he is today, it just blows your mind. It's an incredible story."
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Seattle defeated the New England Patriots 29-13 to claim victory at Super Bowl 60.
A West Ham fan, Durde grew up in Enfield with his older brother, raised solely by their mother.
A video she purchased of the Chicago Bears' 1986 championship-winning squad sparked his passion for American football.
He played youth football across the capital, turning out for clubs in Hayes, Finsbury Park and south London, including the London Olympians and London Capitals.
Aden Durde made sporting history as he became the first overseas coach to win the Super Bowl
|GETTY
Volunteer coach Geoff O'Driscoll proved instrumental in his development, driving the young player across London twice weekly - a four-hour round trip - so he could continue playing.
Durde said: "Those people, that work as volunteers, they help kids from areas [where they] maybe don't have the funds to do something. They literally change people's lives, and Geoff done that for me."
He credits O'Driscoll and long-time British coach Tony Allen as crucial male role models during his formative years.
Durde's playing career included stints in the now-defunct NFL Europe league, where he competed as a linebacker and even reached NFL practice squads.
Aden Durde's playing career included stints in the now-defunct NFL Europe league
|GETTY
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His breakthrough came during a trip to Texas with Warriors players
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After retiring from playing, the father of two looked after his children while his wife Kate trained as a midwife, before launching a business supporting young people outside mainstream education.
In 2011, he took on the defensive coordinator role with the London Warriors and mentored youngsters in the capital.
But his breakthrough came during a trip to Texas with Warriors players, when a contact secured him an interview with the Dallas Cowboys, which led to an internship in 2014.
Further internships followed with Dallas and the Atlanta Falcons in 2015 and 2016.
Working alongside two-time Super Bowl winner Osi Umenyiora in London, Durde helped create the International Player Pathway programme, designed to transition international athletes into the NFL.
Durde joined Atlanta as a full-time coach in 2018
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The programme helped Efe Obada secure a contract with the Carolina Panthers in 2017, while former rugby league player Jordan Mailata progressed from knowing nothing about American football positions to being drafted by the Philadelphia Eagles within four months.
Durde joined Atlanta as a full-time coach in 2018, then served as Dallas's defensive line coach from 2021 to 2023 before becoming Seattle's defensive coordinator under head coach Mike Macdonald.
His unit, nicknamed the Dark Side, conceded the fewest points in the regular season at 17.2 per game.
Frazier said: "I tease him all the time. I say, 'one day, there's going to be a book written about you. There's going to be a documentary about your life'. It's just a great story."
Durde recently interviewed for head coach positions with the Atlanta Falcons and Cleveland Browns.
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