Saul "Canelo" Alvarez has tested positive for the banned drug clenbuterol, and promoters of his rematch with Gennady Golovkin blame contaminated meat. John Locher / AP Photo
Saul "Canelo" Alvarez has tested positive for the banned drug clenbuterol, and promoters of his rematch with Gennady Golovkin blame contaminated meat. John Locher / AP Photo

Saul 'Canelo' Alvarez blames contaminated meat for positive test