on the mat. and her poise just before nailing this vault. the team staying united after that covid scare. alternate cara acre still isolating after testing positive. and in softball team usa on the road to gold with back-to-back victories. on the field and in the water athletes are contending with extreme heat. >> i just got off the water now and i'm exhausted and i'm hot. and it's tough but it's part of it. >> reporter: the olympic action coming as covid cases continue to rise in tokyo. nearly 2,000 infections since yesterday including two more in the athletes village. tonight we're hearing from the american beach volleyball player who tested positive. taylor crabb said he's vaccinated, has no symptoms and is devastated to miss the games. and now olympic officials dealing with a pr crisis.