Five facts Arsenal fans should know about highly-rated 20-year-old striker target

3) Anderlecht’s record signing at 18

Mitrovic then earned a big move to Serbian giants Partizan Belgrade, scoring 18 goals in just 42 appearances before prompting Belgian side Anderlecht to pay a club-record fee to sign him when he was still only 18 years old. Granted, their record transfer fee may only have been £3.6m, but it certainly shows some faith in his potential that they spent so much on a youngster so unproven at the time.