FILE - In this Saturday, Feb. 15, 2020, file photo, fans pose below the NHL league logo at a display outside Falcon Stadium before an NHL Stadium Series outdoor hockey game between the Los Angeles Kings and Colorado Avalanche, at Air Force Academy, Colo. The NHL nailed down the final details of a playoff format if the season can resume on the same day word came out that another player has tested positive for the coronavirus. (AP Photo/David Zalubowski, File)

Brad Keselowski (2) drives during a NASCAR Cup Series auto race at Bristol Motor Speedway Sunday, May 31, 2020, in Bristol, Tenn. Keselowski won the race. (AP Photo/Mark Humphrey)

FILE - In this Aug. 2, 2017, file photo, baseball fans cheer from the right field bleacher seats after a rain delay in a baseball game between the New York Yankees and the Detroit Tigers in New York. The crippling grip the coronavirus pandemic has had on the sports world has forced universities, leagues and franchises to evaluate how they might someday welcome back fans. (AP Photo/Julie Jacobson, File)