Racing Club is riding high after a recent victory against Boca Juniors and aims to build on its momentum in the Copa Sudamericana quarter-finals against Athletico Paranaense, who are struggling with six winless matches. Meanwhile, in the Copa Libertadores, Colo Colo managed a 1-1 draw against River Plate in their quarterfinal first leg, with Carlos Palacios equalizing in the second half after Germán Pezzella had given River the lead. The match was marked by two red cards in the dying moments, leaving both teams with ten players. The second leg of this matchup will take place next week in Buenos Aires, where River Plate also has a domestic match against Boca Juniors beforehand. Both Racing and Colo Colo are looking to secure their positions as contenders in their respective tournaments, with critical matches ahead.