Uruguayan referee Gustavo Tejera shows a yellow card to Estudiantes' midfielder #21 Ezequiel Piovi during the Copa Libertadores semifinal second leg football match between Brazil's Flamengo and Argentina's Estudiantes de La Plata at the Maracana stadium in Rio de Janeiro, Brazil, on October 22, 2026. (Photo by Pablo PORCIUNCULA / AFP via Getty Images)

Flamengo's Chilean midfielder #05 Erick Pulgar reacts during the Copa Libertadores semifinal second leg football match between Brazil's Flamengo and Argentina's Estudiantes de La Plata at the Maracana stadium in Rio de Janeiro, Brazil, on October 22, 2026. (Photo by Pablo PORCIUNCULA / AFP via Getty Images)

Estudiantes' defender #40 Eros Mancuso and Flamengo's defender #26 Alex Sandro fight for the ball during the Copa Libertadores semifinal second leg football match between Brazil's Flamengo and Argentina's Estudiantes de La Plata at the Maracana stadium in Rio de Janeiro, Brazil, on October 22, 2026. (Photo by Pablo PORCIUNCULA / AFP via Getty Images)

Flamengo's forward #16 Samuel Lino and Estudiantes' defender #40 Eros Mancuso fight for the ball during the Copa Libertadores semifinal second leg football match between Brazil's Flamengo and Argentina's Estudiantes de La Plata at the Maracana stadium in Rio de Janeiro, Brazil, on October 22, 2026. (Photo by Pablo PORCIUNCULA / AFP via Getty Images)

Flamengo's defender #26 Alex Sandro and Estudiantes' midfielder #31 Baltasar Rodriguez fight for the ball during the Copa Libertadores semifinal second leg football match between Brazil's Flamengo and Argentina's Estudiantes de La Plata at the Maracana stadium in Rio de Janeiro, Brazil, on October 22, 2026. (Photo by Pablo PORCIUNCULA / AFP via Getty Images)

Flamengo's forward #09 Pedro and Estudiantes' defender #04 Santiago Nunez fight for the ball during the Copa Libertadores semifinal second leg football match between Brazil's Flamengo and Argentina's Estudiantes de La Plata at the Maracana stadium in Rio de Janeiro, Brazil, on October 22, 2026. (Photo by Pablo PORCIUNCULA / AFP via Getty Images)

Flamengo's forward #16 Samuel Lino celebrates the sending-off of Estudiantes' midfielder #31 Baltasar Rodriguez (unseen) during the Copa Libertadores semifinal second leg football match between Brazil's Flamengo and Argentina's Estudiantes de La Plata at the Maracana stadium in Rio de Janeiro, Brazil, on October 22, 2026. (Photo by Pablo PORCIUNCULA / AFP via Getty Images)

Flamengo's forward #16 Samuel Lino and Estudiantes' midfielder #31 Baltasar Rodriguez fight for the ball during the Copa Libertadores semifinal second leg football match between Brazil's Flamengo and Argentina's Estudiantes de La Plata at the Maracana stadium in Rio de Janeiro, Brazil, on October 22, 2026. (Photo by Pablo PORCIUNCULA / AFP via Getty Images)