Tuğrul Akşar- Tuesday, 1 October 2019  According to the Deloitte’s Annual European Football Finance report, which is published for the 28^th time, Deloitte has reached to EUR 28,4 billion from EUR 25,5 billion by 11,3% growth comparing with the previous year’s European football market’s total revenues.[1]

6 March 2019-  Premier League champions Manchester City have signed a long-term kit deal with Germany's Puma, replacing their current agreement with Nike.

Futbolekonomi- 5 Şubat 2019 The 20 most valuable soccer teams in the world are worth an average of $1.69 billion, up 14% over the past year and 74% since 2013. The surge in values has been underpinned by revenue growth.

Prof.Dr.Stefan Szymansky- 25 September 2015 European soccer’s success can be credited, in part, to the liberalization of the players’ market. But what will the future bring?

Independent- 30 January 2014- Premier League clubs once again dominated the international transfer market in 2013, topping the 1billion US dollar-mark for the first time.

The Guardian- 23 February 2011

 David Conn- 23 February 2011

Reuters -

Tuesday 27 July 2010,

BARCELONA - An audit of Barcelona's accounts by new president Sandro Rosell has uncovered a post-tax loss of 77.1 million euros for the 2009/10 season compared with a net profit of 11 million reported in June by the previous board of directors.

11 December 2010

The Football Association faces a battle to protect its £183m annual income from television and sponsorship
after UEFA began plans to centralise the sale of marketing and broadcast rights for European Championship
and World Cup qualifiers.

3 December 2010The Premier League has released data on member club’s spending on football agents. The 20 clubs were involved in a total of 742 transactions, some of which did not involve agents' fees, which took place in the twelve months to the end of September 2010. This was down by 6% compared to 792 transactions the year before. It is the second year in which the Premier League has released the figures, having followed the example of the Football League which first published its agents spending reports in 2004. Total spending reached £67.14m, £3.5m or 5% less than in the previous 12 months.{jcomments on}

Chelsea and Liverpool were the largest spenders paying out £9.2m and £9.0m respectively, or 27% of the aggregate.