Top 10 richest club owners in full:
1. Dietmar Mateschitz (Red Bull Salzburg/RB Leipzig, £17.8bn)
2. Sheikh Mansour (Manchester City/City Football Group, £17bn)
3. Agnelli family (Juventus, £10.4bn)
4. Philip Anschutz (LA Galaxy, £10bn)
5. Roman Abramovich (Chelsea, £8.3bn)
6. Stan Kroenke (Arsenal, £6.4bn)
7. Nasser Al-Khelaifi (Paris Saint-Germain, £6.2bn)
8. Shahid Khan (Fulham, £5.4bn)
9. Zhang Jindong (Inter/Jiangsu Suning, £5.2bn)
10. Joe Lewis (Tottenham Hotspur, £3.8bn)
Where are we?