UFC Fight Night: Rodríguez vs. Penn was held at the arena in the downtown area of what city?
UFC Fight Night: Rodríguez vs. Penn: UFC Fight Night: Rodríguez vs. Penn (also known as UFC Fight Night 103) was a mixed martial arts event produced by the Ultimate Fighting Championship held on January 15, 2017, at Talking Stick Resort Arena in Phoenix, Arizona
i don't know