In 2023, Fluminense achieved a historic milestone by winning their first-ever Copa Libertadores title, defeating Boca Juniors 2–1 in a thrilling final at the Maracanã Stadium, with goals from Germán Cano and John Kennedy . The team, under coach Fernando Diniz, also secured the Campeonato Carioca title, showcasing their dominance in regional competitions. In the Campeonato Brasileiro Série A, Fluminense finished 7th, reflecting a solid domestic campaign . Their season concluded with a runner-up finish at the FIFA Club World Cup, where they lost 4–0 to Manchester City in the final. Throughout the year, Fluminense played 72 matches, recording 37 wins, 13 draws, and 22 losses, with a total of 115 goals scored and 74 conceded . Key contributors included striker Germán Cano, who netted 40 goals, and midfielder Jhon Arias, who provided 17 assists. (Final Copa Libertadores: Claves del título de Fluminense ante Boca Juniors, 2023 Fluminense Stats, All Competitions | FBref.com, Em números, Fluminense divulga resumo da temporada 2023)