1. Cha Bum-Kun - 24 years, 139 days
Yep, that's right, Cha Bum-Kun is our number one. Who, you say? Who?
The South Korean forward was one of the early trailblazers for Asian players in Europe, playing for the likes of Eintracht Frankfurt and Bayer Leverkusen between 1979 and 1989.
He reached 121 caps for his country and passed the 100-mark before he was even 25, and was named Asian Player of the Century by the International Federation of Football History and Statistics.