Real Madrid remain soccer's most valuable club, says study - SportsPro

Atlético Madrid - Wikipedia

Real Madrid remain club soccer's most valuable brand, says study - SportsPro

Real Madrid in good shape financially ahead of possible signing of Mbappé. Barcelona still struggles, Pro Sports

Madrid beat Man United as world's most valuable club - Forbes - ESPN

Manchester City oust Real Madrid as club soccer's most valuable brand, says study - SportsPro

The World's Most Valuable Soccer Teams 2019: Real Madrid Is Back On Top, At $4.24 Billion

The Business Case Behind Lionel Messi Going To Major League Soccer

BUSINESS of SPORT - News and Discussion

Here's why football clubs are in a digital arms race, Marketing & Advertising News, ET BrandEquity

Real Madrid, the world's most valuable club and PSG, the fastest growing