Roy Emilio "R.J." Alvarez (born June 8, 1991) is an American professional baseball pitcher who is a free agent. He has previously played in Major League Baseball (MLB) for the San Diego Padres, Oakland Athletics and New York Mets.
Roy Emilio « R. J. » Alvarez (né le 8 juin 1991 à West Palm Beach, Floride, États-Unis) est un lanceur de relève droitier de la Ligue majeure de baseball. (fr)
Roy Emilio "R.J." Alvarez (born June 8, 1991) is an American professional baseball pitcher who is a free agent. He has previously played in Major League Baseball (MLB) for the San Diego Padres, Oakland Athletics and New York Mets. (en)