NASHVILLE, TN - APRIL 20: Cub Swanson holds an open workout for fans and media at the Bridgestone Arena Atrium on April 20, 2017 in Nashville, Tennessee. (Photo by Jeff Bottari/Zuffa LLC/Zuffa LLC via Getty Images)

NASHVILLE, TN - APRIL 20:  Cub Swanson holds an open workout for fans and media at the Bridgestone Arena Atrium on April 20, 2017 in Nashville, Tennessee. (Photo by Jeff Bottari/Zuffa LLC/Zuffa LLC via Getty Images)