Powell (hamstring) is out for Wednesday's game against the Magic and has already been ruled out for Friday's game against Sacramento, Joey Linn of SI.com reports.
Zubac recorded eight points (3-8 FG, 2-2 FT), 17 rebounds, four assists, one block and two steals across 36 minutes during Monday's 102-99 win over the Warriors.
Harden finished Monday's 102-99 win over the Warriors with 12 points (4-15 FG, 2-6 3Pt, 2-2 FT), six rebounds, 16 assists, two blocks and two steals across 41 minutes.
Porter walked to the locker room during the fourth quarter of Monday's game against the Warriors after appearing to hit his head, Justin Russo of the 'Clip & Roll' podcast reports.
Bamba (knee) scored nine points (4-8 FG, 0-2 3Pt, 1-1 FT) and added eight rebounds, one assist and one steal in 15 minutes off the bench in Sunday's 116-105 win over the Jazz.
Dunn finished with 11 points (4-8 FG, 3-6 3Pt), four rebounds, four assists and two steals across 25 minutes during Sunday's 116-105 win over the Jazz.
Harden racked up 20 points (7-14 FG, 2-8 3Pt, 4-5 FT), six rebounds, 11 assists, two blocks and two steals across 34 minutes during Sunday's 116-105 victory over the Jazz.
Harden closed with 21 points (7-14 FG, 3-9 3Pt, 4-4 FT), six rebounds, two assists and one block across 31 minutes during Friday's 125-104 loss to the Rockets.