He made his Arsenal first team debut in November 1983 just four weeks after his 17th birthday and became a regular player in the 1985 — 86 season, winning the Football League Cup Final, his first major trophy, in 1987. (arsenalarsenal.net)
Lionel Messi joined Barcelona at the age of just 13, first team debut at 17 and never looks back since than. (totalsportek.com)
The French manager gave first team debuts to four youngsters Alex Iwobi, Glen Kamara, Ismael Bennacer and Krystian Bielik throughout the course of the evening. (arsenalnewshq.com)