Boxing star Ryan Garcia's B samples came back positive for the performance-enhancing drug ostarine, matching two failed drug tests stemming from an April win over Devin Haney, according to boxing reporter Dan Rafael.

Garcia's B samples were opened and analyzed Wednesday, and the results were returned Thursday morning.

Garcia tested positive for ostarine in prefight and postfight drug tests administered by the Voluntary Anti-Doping Association (VADA) in connection to his April 20 bout against Haney in Brooklyn. Garcia defeated Haney, the WBC junior welterweight champion, via majority decision after dropping him three times as a significant underdog. (Haney remained the champion because Garcia missed weight.)

Garcia has maintained his innocence since news of the positive drug tests broke in early May.

His legal team said in a statement Thursday afternoon they believe a contaminated supplement caused the positive test and that they are in the process of testing the supplements Garcia used "to determine the exact source."

"Ryan Garcia is committed to clean and fair competition and has never intentionally used any banned substance," the statement read, according to combat sports reporter Ariel Helwani.

The New York State Athletic Commission said earlier this month it was "in communication with VADA" and "reviewing the matter." Garcia faces a suspension, fine, and the overturning of his decision win if he is found guilty of taking the banned substance.