Russell Westbrook, point guard for the Los Angeles Lakers, dropped $37 million on a lavish new home in the city’s Brentwood neighborhood, directly across the street from his teammate LeBron James. He quietly bought the property in an off-market deal from Formula 1 racing heiress Petra Ecclestone. When Ms. Ecclestone bought the home in 2019 for $22.7 million, Mansion Global wrote that the eight-bedroom,...