PHOENIX, AZ - JANUARY 15: Sergio Pettis (L) lands a left on John Moraga during the UFC Fight Night event at the at Talking Stick Resort Arena on January 15, 2017 in Phoenix, Arizona. (Photo by Christian Petersen/Getty Images)
PHOENIX, AZ - JANUARY 15: Sergio Pettis (L) lands a left on John Moraga during the UFC Fight Night event at the at Talking Stick Resort Arena on January 15, 2017 in Phoenix, Arizona. (Photo by Christian Petersen/Getty Images)