Italy Coppa Italia

VAR's difficult debut in top South American club competition

SAO PAULO (AP) As UEFA resists introducing video assistant referees in Europe's Champions League, the technology's debut in South America's most prestigious club competition hasn't cut out complaints about major decisions.

Brazilian team Cruzeiro even believes it has been on the receiving end of "one of the biggest refereeing mistakes in football history."

Boca Juniors was leading 1-0 in the first leg of its Copa Libertadores quarterfinal on Wednesday when Cruzeiro defender Dede was sent off in the 75th minute as he tried to equalize.