Cristiano Ronaldo faces calls for retirement after lackluster World Cup debut

Cristiano Ronaldo's participation in Portugal's World Cup debut has ignited a fierce debate among fans and pundits regarding his future in the sport. While the 41-year-old forward achieved a personal milestone by appearing in his sixth World Cup, his performance against the Democratic Republic of Congo has drawn sharp criticism.

Journalist Nuno Saraiva, formerly deputy director of the Portuguese newspaper A Bola, wrote that while legends remain legends, they often become greater when they choose the right moment to retire. He urged Ronaldo to consider retiring with the same greatness he entered the sport, for his own respect, his teammates, the national team, and the young fans who idolize him.

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Legends don't stop being legends when they retire. On the contrary. They often become even greater when they know how to choose the right moment to say goodbye.

Finding the opportune moment to step away from the spotlight is a challenge for many popular idols. The habit of being the center of attention and receiving adoration from crowds can be a powerful stimulant that proves counterproductive for elite athletes. A study titled 'The Aging Curve,' conducted by researchers from Portuguese and Brazilian institutions and published last October, analyzed how age impacts the performance of high-level footballers.

The study, which collected data from over 5,200 performances by 100 male players aged 18 to 39, concluded that peak performance in speed, explosiveness, and endurance is typically reached between the ages of 24 and 26. Conversely, the research indicated that the decline in performance is more pronounced for players over 32 years old. Comparative statistics from Ronaldo's recent match, where he covered 7.52 kilometers in 100 minutes, suggest this scientific conclusion may hold true.

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The time has come to retire with the same greatness with which you entered. For respect for yourself, for your teammates, for the National Team, for the club that formed you [Sporting Lisbon]; to set an example for the thousands of children who are taking their first steps in football and who, like this almost old man, idolize him.