BBC Sport finds out more about the American businessman who is already involved with baseball, basketball, Formula 1, football, tennis and hockey.

The NBA and sports world were rocked on Wednesday, June 18, with news that Buss family was selling a majority stake in the Los Angeles Lakers for a valuation of $10 billion, making it the largest North American sports franchise purchase.

Mark Walter, the owner of the Los Angeles Dodgers, is entering into an agreement to buy majority ownership of the Los Angeles Lakers, according to ESPN. Jeanie Buss will retain her role as the team's governor after the sale, according to the report.