LAS VEGAS, NV - MARCH 04: Cynthia Calvillo (black) attempts to submit Amanda Cooper in their women's strawweight bout during the UFC 209 event at T-Mobile Arena on March 4, 2017 in Las Vegas, Nevada. (Photo by Josh Hedges/Zuffa LLC/Zuffa LLC via Getty Images)

LAS VEGAS, NV - MARCH 04:  Cynthia Calvillo (black) attempts to submit Amanda Cooper in their women's strawweight bout during the UFC 209 event at T-Mobile Arena on March 4, 2017 in Las Vegas, Nevada.  (Photo by Josh Hedges/Zuffa LLC/Zuffa LLC via Getty Images)