spike that's also affected the nba and nhl, both of whom who have had to postpone games, and it's causing the leagues to reconsider their protocols. they're looking at three main areas, testing protocols, and encouraging booster shots. sources telia hao sports, meanwhile, the nba is exploring multiple options including restrictions of outside access to visiting cities and testing for all players. it's not only limited to pro sports. the men's basketball teams of tulane and washington have seen outbreaks in their programs. just last night ucla called off its home game against alabama state less than an hour before tip-off citing covid protocols. the difference for u.s. sports