The Staples Center, home to the Lakers and Clippers and the NHL's Kings, has ramped up cleaning procedures as part of a wide-ranging plan. The hub of sports and entertainment in Los Angeles hosted 39 events after the first case of COVID-19 was diagnosed in the county, including the memorial service for Kobe Bryant, the Grammy Awards, two nights of bull riding, 12 Kings games, and 19 games involving the Lakers or Clippers. The final three games came during four days, ending March 11 when sports at every level lurched to a stop because the rampant spread of the virus. At least eight athletes who played in those games have been diagnosed with COVID-19: four Brooklyn Nets, including star Kevin Durant, two Lakers who haven't been identified and two members of the NHL's Ottawa Senators.