In 2018, an unprecedented trade in MMA took place between the UFC and ONE Championship, but who won? Former UFC flyweight champion Demetrious Johnson was traded for ex-ONE Championship title holder Ben Askren . Johnson went onto capture the ONE flyweight title, capping off his career by besting Adriano Moraes 2-1 in their rivalry
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Demetrious Johnson, Ben Askren discuss who won UFC-ONE Championship trade – MMA Junkie