Coronavirus concerns have prevented the NCAA from committing to a number of teams for the 2021 men’s basketball tournament. ESPN constructed three possible versions of the bracket for a season that could give new meaning to the phrase “on the bubble.”Coronavirus concerns have prevented the NCAA from committing to a number of teams for the 2021 men’s basketball tournament. ESPN constructed three possible versions of the bracket for a season that could give new meaning to the phrase “on the bubble.”Read Morewww.espn.com – NCB