A former UFC champion recently highlighted how Nick Diaz was punished for marijuana usage after Claressa Shields allegedly tested positive for the same substance recently.

Claressa Shields isn't going down without a fight after she was recently accused of testing positive for marijuana following ...

Shields is coming out swinging after a Michigan commission drug test came back positive, reportedly for trace amounts of ...

Women's undisputed heavyweight world champion Claressa Shields is beginning litigation following false, libellous and defamation reports.