Portugal coach Roberto Martinez has praised Cristiano Ronaldo's enduring commitment to the sport. The 41-year-old forward is currently preparing for his sixth World Cup appearance. Martinez described the legendary player as both an example and a reference for the football world. According to the coach, Ronaldo is approaching the tournament with the same excitement as his first. This level of dedication serves as a motivation for the rest of the squad. The comments highlight Ronaldo's unique longevity at the highest level of international competition. Portugal continues to rely on his experience as they prepare for the upcoming tournament.