Morris won't start Sunday's Game 7 against the Magic, Serena Winters of Bally Sports Cleveland reports.
Morris is in the starting five for Friday's Game 6 agains the Magic.
Morris finished Tuesday's 104-103 victory over Orlando in Game 5 of the first round of the Eastern Conference playoffs with 12 points (4-9 FG, 2-5 3Pt, 2-2 FT), three rebounds and one assist in 26 minutes.
The Cavaliers are planning to sign Morris to a rest-of-season contract Thursday, Chris Fedor of The Cleveland Plain Dealer reports.
Morris became a free agent Thursday after his 10-day contract with the Cavaliers expired, Keith Smith of Spotrac.com reports.
Morris provided 11 points (4-10 FG, 1-5 3Pt, 2-2 FT), seven rebounds and one assist over 26 minutes during Friday's 104-91 loss to the Timberwolves.
Morris contributed 14 points (5-7 FG, 4-5 3Pt) and four rebounds across 20 minutes during Monday's 108-103 victory over the Pacers.
Morris is active for Monday's game against Indiana, Chris Fedor of The Cleveland Plain Dealer reports.
Morris agreed to a contract buyout with the Spurs on Thursday, Shams Charania of The Athletic reports.
Morris (not with team) has been ruled out for Thursday's game against the Thunder, Paul Garcia of ProjectSpurs.com reports.