The Buenos Aires Agency for the Prevention of Violence in Sport said Wednesday's game must be rescheduled for "strict reasons of security".
Tuesday's decision follows violent clashes on Monday night between rival members of Racing's barra brava, Argentina's organised ultras, or fan groups. One man was reported to have been injured in the clashes.
It was the latest in a series of violent incidents that have plagued Argentina's increasingly lawless football over the last few years.
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(Reporting by Andrew Downie Editing by Jeremy Gaunt)
