Texans defensive end J.J. Watt had a number of injuries last season, but in an article for The Players' Tribune, he revealed a staph infection was the most dangerous.
"One Friday night last season, I noticed some weird bumps on my knee. I thought it was a rash, so I went and asked our trainer if he had any cream," Watt wrote. "He looked at my knee and said, 'That looks really bad. We have to get you to the hospital right now.'
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"I thought he was joking at first.