All UFC 197 drug tests come back negative

The fighters who competed at UFC 197 are in the clear.
All drug tests in relation to UFC 197, including in- and out-of-competition screens, have come back negative, according to information obtained from the Nevada Athletic Commission (NAC) and UFC vice president of athlete health and performance Jeff Novitzky.
The NAC tested half the card, while USADA tested the rest of the card. USADA handled testing for main event fighters Jon Jones and Ovince Saint Preux. Jones beat Saint Preux unanimous dec