Ultimate Fighter Brazil alum Ricardo Abreu flagged for potential anti-doping violation

Another UFC fighter has been pinpointed by USADA.
The UFC's anti-doping partner has flagged middleweight Ricardo Abreu for a potential anti-doping violation with relation to an out-of-competition sample, the UFC announced Sunday in a statement. Abreu was notified this weekend.
Typically, that means a fighter either fails a drug test or notifies USADA about the ingestion of a prohibited substance.
Abreu (5-1) has not fought since losing a split decision to Jake Collier in June 2015. Before that,