Common sense eventually prevailed and Boca's beleaguered players were spared the effort of recovering from tear gas poisoning to play in what has been described as the greatest show on earth after the third attempt to put the match back.
After initially appearing to postpone the match, Conmebol eventually chose to call off the game until Sunday - 5pm local time, 8pm in the UK.
However, it does now seem likely that the match will be suspended and take place at a later date.
The last time he entered the pitch against River he did very well and he made an important impression on the final.
The official CONMEBOL Twitter account then confirmed that the game had been postponed to a 7.15 PM (10.15 PM GMT) kick-off, an hour later than originally scheduled.
Former Manchester United, Juventus and Manchester City striker Carlos Tevez was one player affected by the tear gas.
"Since the very first time Carlos started to play with us, and every time Carlos comes to play or close the goal they will cheer him up with chanting, and I totally welcome that motivation for him because it helps to prepare him mentally for the final".More news: The Google Home Hub is now just £99 for Black Friday
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The attack occurred as the team made its way to the Monumental stadium in Buenos Aires.
"The players are all hurt, you can't play this way", Christian Gribaudo, Boca's secretary general, said in quotes reported by Clarin, with the club asking doctors to examine the players.
A Boca official told the press that the pepper spray came from the police trying to disperse River fans.
There will be no Boca fans at the second leg as travelling support has been banned at all Argentine football matches since 2013 due to hooliganism.
Boca Juniors, who've been training ahead of the 2nd leg of the Copa Libertadores final with their cross-town rivals River Plate, in a match that has been branded "Superclasico".