When Dave Leduc walked into the December 2016 Golden Belt rematch with Tun Tun Min, the most generous betting markets in Yangon had him at three-to-one. The August draw between the two had been treated as a moral victory for the Canadian — an outsider going twelve minutes against the Burmese Python and surviving — but few took seriously the idea that a foreigner would walk out of that ring as Openweight Champion. The headbutt sequence that opened the cut over Tun Tun Min's brow in round two changed Burmese Lethwei. The corner stoppage between rounds five and six made Leduc the first non-Myanmar Openweight Golden Belt champion in the sport's recorded history.
Almost ten years on, Leduc holds six recognised world championships across two organisations. The Golden Belt was the headline; the WLC Cruiserweight title gave him a sanctioned platform to defend internationally; smaller national-federation titles in France, Poland and Australia filled in the gaps. He has fought trilogies (with Tun Tun Min), sealed first-round finishes (Seth Baczynski, 2017), and weathered cuts and corner stoppages of his own. His record is small by the standards of Myanmar career fighters — fourteen wins, two losses, two draws — but the quality of opposition has been such that those numbers are misleading.
What Leduc has done off the canvas matters as much as what he has done on it. He learned passable Burmese during his first long Myanmar camp. He married into a Myanmar entertainment family, performs the lethwei yay with a level of conviction his Myanmar peers have publicly endorsed, and has been outspoken about treating the sport as more than a curiosity. When international media write about Lethwei, they almost always quote Leduc, because Leduc is almost always willing to talk on the record. He has been the sport's de-facto press secretary for most of a decade.
There are critics. Some Myanmar trainers have argued that the WLC's willingness to feature Leduc in headline slots over Myanmar-born fighters with stronger active records reflects a commercial logic, not a sporting one. The argument is not unreasonable; international names sell tickets, and the WLC depends on broadcast revenue. Others note that Leduc's openweight championship reigns have not been tested against the deepest available Myanmar fields. These criticisms get aired, are sometimes fair, and have not appeared to bother Leduc in any visible way. He has continued to do the work and let the results speak.
What comes next is the question. Leduc has spoken openly about wanting one final fight with Tun Tun Min — a true trilogy decider, not a pay-per-view victory lap — and has not ruled out fighting until 2027 if a credible bout can be made. His training camps now spend more time in Bangkok than Yangon, an acknowledgment of Myanmar's political reality, but he has continued to return for sanctioned bouts on Myanmar soil. There is no announced retirement date.
The legacy question is harder. The first generation of Lethwei fans who came to the sport because of Leduc are now training, coaching, and bringing students into the ring. The fighter database now includes a French strawweight, an Uzbek welterweight, an Australian-Turkish middleweight and a Russian light heavyweight who might never have heard of Lethwei without a YouTube clip of Leduc's spinning back elbow finish. The simplest measure of what Leduc has done is the depth of the fighter database itself.
Whatever happens in the next eighteen months, the historical position is settled. Lethwei before Leduc was a mostly Myanmar sport that occasionally hosted foreigners. Lethwei after Leduc is an international sport with a Myanmar core. That transition was not single-handed, but it would not have happened on the timeline it did without him.