Avdija, who has been battling lower back issues for weeks, played just one minute before exiting the game.
The team confirmed he will not return, despite being listed as questionable before tip-off.
Trail Blazers' Deni Avdija leaves Suns game with lower back injury
Portland All-Star guard Deni Avdija left the Trail Blazers' game against the Phoenix Suns due to a lower back injury and will not return.