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WATCH: Tyson Jolly survived pulmonary embolism to join Cal basketball

Go Tyson!

"I passed out in the hallway, and the coaches were like,' Tyson, are you OK?' I was looking at them like they were crazy. ‘I'm OK. What are you talking about?'" Jolly recalls. "I just fell, because I fainted, but I didn't know I fainted. I thought I just fell. We went to the hospital, and they finally figured out that it was a pulmonary embolism. I had seven in my lungs, and they said one of them popped - a little one that popped - so that's why I fainted."

Jolly was taken to the Oklahoma University Medical Center, and a battery of tests showed that he had blockages in the main artery to his lungs, and inside his lungs were seven more blood clots, and more in the deep veins of his left leg.