Donaldson (rest) will start in Monday's Las Vegas Summer League matchup with the Cavaliers, Ira Winderman of the South Florida Sun Sentinel reports.
Donaldson is back and starting after skipping Saturday's Summer League loss to the Magic, and he'll be joined in the first unit by Jahmir Young, Kendall Brown, J'Vonne Hadley and Vladislav Goldin. Donaldson looked good in his Summer League debut, scoring 12 points on five shots in 23 minutes.