Real Madrid's board were left angered by a decision made by under-fire coach Zinedine Zidane.
Boca Juniors were too good for Athletico Paranaense in the last 16 of the Copa Libertadores.
Boca Juniors earned a dramatic win at Athletico Paranaense in the first leg of their Copa Libertadores last-16 tie.
The draw for the Copa Libertadores round of 16 took place in Paraguay on Monday.
Wednesday's results left all three teams on 10 points but Flamengo (+6) and LDU Quito (+4) pipped Penarol (+2) on goal difference.
Palmeiras reached the knockout phase thanks to a 4-0 rout of Melgar, while San Lorenzo also progressed despite their 1-0 loss to Junior.
Paolo Guerrero hits a double to sink Palestino 3-2 as Brazilian side Internacional seal their place in the last 16 of the Copa Libertadores.
Marco Ruben led Athletico Paranaense to an impressive win over Boca Juniors in the Copa Libertadores.
Playing behind closed doors at the Monumental, River Plate were held by Palestino in the Copa Libertadores.
Last season's runners-up Boca Juniors were held by Bolivian hosts Jorge Wilstermann in Group G on Tuesday.