The two controversial precedents of the referee of Boca-Vasco da Gama in Brazil for the semifinals of the Copa Sudamericana

Venezuelan referee Jesús Valenzuela has been appointed as the main official for the upcoming Copa Sudamericana semifinal second-leg match between Boca Juniors and Vasco da Gama. The decisive fixture is scheduled for next Tuesday at 21:30 Argentine time at the Maracanã stadium in Brazil.

The coverage surrounding the appointment highlights two controversial precedents involving the referee prior to this high-stakes international tournament encounter.