River Plate's coach Eduardo 'Chacho' Coudet had a verbal clash with forward Rafael Santos Borré during the first leg of the Copa Sudamericana eighth-finals. The incident occurred at the 62nd minute of the match at El Campín stadium when Coudet substituted Borré for Thiago Almada. Cameras captured the moment when the coach told the player 'Cerrá el c...', a phrase that went viral on social media. The match ended 0-0, and Coudet downplayed the incident in the press conference, highlighting the match's intensity and the altitude of the venue. The tie continues on August 26 in Argentina.