Gallery Photos: Demetrious Johnson, Eddie Alvarez, Sage Northcutt at ONE Championship open workouts in L.A. ONE Championship will be back in the Philippines in April with a pair of titles on the line. In the “ONE Championship: Roots of Honor” main event, featherweight champion Martin Nguyen (11-3) will put his title on the line against challenger and former champ Narantungalag Jadambaa (14-5).
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