Ahead of the CONCACAF World Cup, the national football team has a "spiritual leader" who leads the squad alongside Son Heung-min (34, LA FC). He is Lee Jae-sung (34, Mainz), a veteran of the same age as Son Heung-min who boasts 104 international appearances. Lee Jae-sung, who is preparing for his third World Cup appearance following the 2018 Russia and 2022 Qatar tournaments, said on the 2nd (local time), "This will be the last World Cup I enjoy…