Former Arsenal defender Nelson Vivas performed his best Hulk impression by ripping off his shirt after being sent to the stands against Boca Juniors.
The Estudiantes manager, who played 69 times for Arsenal during his spell at the club, started to throw a strop after not getting the decision he wanted from the match officials.
The initial reaction was to a penalty shout that went against his side when Boca goalkeeper Agustin Rossi made contact with Estudiantes' Juan Cavallaro just before the hour.
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Nelson Vivas auditions for the Incredible Hulk after being sent off during Boca-Estudiantes.