Donaldson (rest) will not play in Saturday's Summer League game against the Magic, Anthony Chiang of the Miami Herald reports.
Donaldson will sit out the second leg of the Heat's back-to-back set in Las Vegas, and his next opportunity to play will be Monday against the Cavaliers. He was in Miami's starting lineup against Milwaukee on Friday, when he played 23 minutes and finished with 12 points (4-5 FG, 2-2 3Pt, 1-1 FT), six assists, two steals and one block in a 119-86 victory.