“…Similarly, Kalén, Rey, de Rellán-Guerra, Lago-Peñas 17 analyzed the evolution of male players' age in the UEFA Champions League and found an aging trend in the last three decades. In men's football, it was also shown that the number of experienced players in finalist teams in World Cups was significantly higher than in non-finalist teams 18 . Based on the human capital framework, the maintenance of older and experienced players may be an effective strategy to achieve better performances.…”