Boca Juniors president Daniel Angelici backed the decision to postpone the Copa Libertadores final between his club and bitter rivals River Plate until Sunday.
Boca and River played out a 2-2 draw in the first leg but ugly scenes marred the preparations for Saturday's return match at River's El Monumental stadium .
The visitors' bus was showered with projectiles as it approached the stadium, with some smashing windows of the vehicle. Tear gas being used to disperse the crowd also filtered into the bus, leaving several players feeling the effects.
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Pablo Perez was among the Boca players injured in the incident, which initially led to a delayed kick-off and later the announcement of a postponement .