River doesn't want to play the match in Madrid's Santiago Bernabeu stadium because it will hurt fans who originally paid to watch the November 24 game at River's El Monumental stadium, the club said in a statement on its website.
As a result, River are refusing to take part in the second leg of the final having drawn 2-2 against their Buenos Aires rivals in the first leg.
In a statement on the club's website, River said it was "incomprehensible" that the game had been moved to Spain.
It has also been confirmed that the game will be played in front of fans from both Boca and River, despite security fears meaning that both legs in Argentina were set to be played in front of an exclusively home crowd.
"The club believes this decision demeans the competition, prejudices those who have bought tickets and makes it unfair", River continued.
Fans shattered windows of the bus with projectiles and pepper spray was sacked by police, leaving several Boca players needing to be taken to hospital with injuries.
Reuters Juan Medina
Boca then refused to play the match and it was postponed 24 hours, only to then be called off indefinitely the next day.
Therefore, neither club is happy with the move and it's clear: they do not want the game played at Real Madrid's Santiago Bernabeu next weekend.
"All those people who had nothing to do with what happened should not have to pay over a few ignorant people".
The biggest game in South American club football is in disarray again a week after violence forced the original fixture to be postponed.
This was after the Boca team bus was attacked and players injured as it approached River's Monumental Stadium.
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