It is official, pound for pound king Demetrious Johnson has left UFC and signed the contract wit One Championship. This news has been confirmed by Demetrious him self and One Championship as well.
This deal is actually fighter exchange deal between UFC and ONE. Johnson is going to ONE but Ben Askren is going to UFC.
— FOX Sports: UFC (@UFCONFOX) November 1, 2018
— Demetrious Johnson (@MightyMouse) October 29, 2018
— ONE Championship (@ONEChampionship) October 30, 2018