Fluminense advances to Copa Libertadores semifinals after 2–0 win over Platense

Fluminense secured its place in the Copa Libertadores semifinals on September 15, defeating Platense 2–0 in the second leg of the quarterfinals at Estadio Ciudad de Vicente López in Buenos Aires. The Brazilian side, which won the first leg 2–0 at the Maracanã in Rio de Janeiro with goals from Nonato and Hulk, progressed comfortably despite Platense's need to overturn the aggregate deficit.

Fluminense entered the return fixture with a significant advantage: the team could advance with a win, draw, or even a loss by one goal. Platense, playing in the Copa Libertadores for the first time in the club's history, required a victory by at least three goals to progress directly, or a two-goal win to force a penalty shootout. Both teams fielded modified lineups in domestic matches beforehand—Fluminense lost 3–1 to Atlético Mineiro in the Brasileirão, while Platense fell 2–1 to Estudiantes in the Argentine Clausura.

The match was overshadowed by violent incidents after the final whistle. Platense supporters stormed the field following their team's elimination, sparking a general confrontation between players, coaching staff, and fans from both clubs. Fluminense defender Freytes, who was present to celebrate despite not appearing in the match, was punched by a Platense fan. Masked Platense supporters also invaded the section reserved for Fluminense fans, forcing players to retreat to the dressing room as stewards worked to restore order.

Fluminense's semifinal opponent will be determined by the winner of the Palmeiras versus Liga de Quito quarterfinal. The winning side will receive a prize of USD 2.3 million. Fluminense, which won the Copa Libertadores in 2023, extended its unbeaten run under coach Marcão, who replaced Argentine Luis Zubeldía in August. Platense, managed by former striker Martín Palermo, saw its historic first Libertadores campaign end in the quarterfinals.