[2] Through an impressive first training camp with the Ducks, Fiore was amongst the last cuts re-assigned to AHL affiliate, the San Diego Gulls, to begin the 2017–18 season.
[3] After making his solitary appearance for the Ducks, he was re-assigned to AHL affiliate, the San Diego Gulls, for the remainder of the season, collecting 18 goals and 30 points in 65 games.
In the following 2018–19 season, Fiore continued in the AHL with the Gulls and contributed with 11 points in 23 games before he was traded by the Ducks to the Arizona Coyotes in exchange for Trevor Murphy on December 28, 2018.
Approaching the final year of his contract with the Coyotes in the 2019–20 season, Fiore was unable to impress through pre-season and was re-assigned by Arizona to their secondary affiliate, the Rapid City Rush of the ECHL.
As a free agent, Fiore opted to pursue a career abroad, signing his first European contract in agreeing to a one-year for the remainder of the 2020–21 season with German club, Eisbären Berlin of the DEL, on December 3, 2020.