The second year of the deal is a team option.
Clark, 25, averaged 7.3 points and 5.5 rebounds last season for the Los Angeles Lakers while starting 36 games subbing in for an injured Pau Gasol. He came to the Lakers as part of the Dwight Howard deal.
Clark, an unrestricted free agent, was the Cavaliers’ first target in free agency. The 6-foot-10, 225-pounder worked out for this team earlier this week.