Colby Covington accuses Kamaru Usman of PED usage: "He's been doing EPO his whole career"
#colbycovington
#kamaruusman
#ped
#epo
3 years ago By Ebrahim — It would be an understatement to suggest Colby Covington is outspoken. The no. 1 contender in the welterweight division, who will face division champion Ka