Okongwu finished with 29 points (11-17 FG, 4-6 3Pt, 3-4 FT), 12 rebounds, two assists, one steal and one block in 32 minutes during Thursday's 114-111 win over the Cavaliers.
Alvarado (ankle) has been ruled out for Friday's game against Philadelphia.
Ejiofor is available for Thursday's game against the Cavaliers.
Kolek accumulated nine points (3-4 FG, 3-4 3Pt), two rebounds and nine assists in 18 minutes during Wednesday's 133-127 win over the Bulls.
Clarkson chipped in 18 points (7-11 FG, 2-3 3Pt, 2-2 FT), three rebounds, one assist and two steals across 17 minutes during Wednesday's 133-127 win over the Bulls.
Alexander-Walker amassed 23 points (8-18 FG, 5-9 3Pt, 2-2 FT), three rebounds, one assist and one steal across 32 minutes during Wednesday's 129-117 loss to the Heat.
The Hawks assigned Ejiofor to the G League's College Park Skyhawks on Thursday.
Towns ended with 19 points (7-14 FG, 3-6 3Pt, 2-2 FT), 13 rebounds, five assists and one steal across 28 minutes in Wednesday's 133-127 win over the Bulls.
Anunoby finished with 23 points (7-16 FG, 2-6 3Pt, 7-8 FT), six rebounds and one assist across 31 minutes in Wednesday's 133-127 win over Chicago.
Brunson finished with 38 points (13-25 FG, 6-10 3Pt, 6-8 FT), one rebound, seven assists and two steals across 35 minutes in Wednesday's 133-127 win over Chicago.
