Price of Football: 20 clubs, 50 shirts, one summer
The BBC Price of Football study, now in its fifth year, looks at some key figures and quirky stats about the football shirt.
In the Premier League the average cost of an adult shirt is now £49.68, up 4.8% with 10 clubs putting prices up.
Manchester United's £60 adult shirt is the highest in the study, as is their £45 junior shirt.
German firm PR-marketing, helped the BBC with some research for the video.