Flagg logged 25 points (8-13 FG, 3-5 3Pt, 6-6 FT), 12 assists, five rebounds and a steal in 28 minutes during Sunday's 130-93 win over the Nets.
Oklahoma City acquired Clifford from Sacramento on Sunday in exchange for two second-round picks, Shams Charania of ESPN reports.
Stirtz ended Saturday's 114-75 victory over the Wizards with 11 points (3-12 FG, 2-8 3Pt, 3-3 FT), five rebounds, two assists and one block over 29 minutes.
Mitchell finished with 12 points (5-14 FG, 0-2 3Pt, 2-3 FT), four rebounds and a steal across 22 minutes in Saturday's 114-75 win over the Wizards.
McCain delivered 19 points (8-10 FG, 2-4 3Pt, 1-1 FT), five rebounds, two assists, a steal and a block across 23 minutes in Saturday's 114-75 win over the Wizards.
Mara registered 18 points (8-10 FG, 1-1 3Pt, 1-2 FT), eight rebounds, three assists and three blocks in Saturday's 114-75 win over the Wizards.
Gilgeous-Alexander racked up 30 points (11-20 FG, 3-5 3Pt, 5-6 FT), two rebounds, nine assists, one block and two turnovers across 29 minutes in Saturday's 114-75 win over the Wizards.
McCain is not listed in the starting lineup for Saturday's game against the Wizards, Rylan Stiles of SI.com reports.
Mara will start Saturday against the Wizards, Rylan Stiles of SI.com reports.
Williams (back) has been ruled out for Saturday's game against the Wizards, Brandon Rahbar of DailyThunder.com reports.
