Several weeks after the fight,
Dana White announced that Sanchez was sick on the eve of the fight, and almost had to retire when a test came back indicating he had
Hepatitis C.
[2] Doctors eventually concluded the test results were not correct, but could not diagnose his sickness, so the fight went ahead as planned. The day after the fight Diego had a hole in his thigh the "size of a coffee cup," and his sickness was diagnosed as a
Staph infection.