Age Quote by Madison Keys

I signed with a club when I was 12. I started living by myself at 14. I turned pro at 16. I grew up…

— Danilo Gallinari

I started training when I was 15.

— Drew McIntyre

I started training at 15.

— Sean Strickland

I started doing sports when I was 13 and competitively doing sports - where I was actually training - when I was 17.

— Oksana Masters

I was 15 when I made my debut for the national team.

— Samuel Eto'o

I started wrestling professionally, I did my first television match at 16, but I was wrestling at country fairs and national armories when I was 14.

— Jeff Hardy

I started playing professionally when I was 17 years old.

— Jonas Valanciunas

I signed as an 11-year-old for Everton. I broke into the Under-18s at the age of 14, then the reserves at 15, then I…

— Ross Barkley

I played in the Under 18s when I was 14, then the reserves at 15, and then the first team.

— Jack Rodwell

I started playing when I was about 16, and I got picked for the England youth team when I was 17 because I was…

— Fallon Sherrock

When I was 10 I started playing for Atletico Mineiro and that was the start of my professional career.

— Fred

Before Bolton I played for Real Madrid and I was getting involved in the first-team training since I was 16 and then I played…

— Marcos Alonso