 On November 14, 2017, the Lightning traded Leighton (along with Tye McGinn) to the Arizona Coyotes in exchange for Louis Domingue.With the Coyotes' AHL affiliate, the Tucson Roadrunners, already with three rostered goaltending prospects, Leighton was loaned to the Chicago Wolves on November 21, 2017.Leighton appeared in five games with the Wolves before he was re-assigned to the Roadrunners on December 14, 2017.