Now, let me start with just a small disclaimer- I'm just an Army medic and a nursing student, so I don't claim to be an expert on this. I do have a little understanding, but if there's anyone who is more informed, you're welcome to add on or let me know of any parts I may have messed up! Thanks!
After dealing with unexplained, sporadic hamstring pain throughout portions of last season, John Brown's pain returned this season, prompting his doctors to run multiple blood tests. These tests diagnosed Brown with being a carrier of Sickle Cell Disease.