Powell compiled nine points (3-3 FG, 3-4 FT), two steals and one rebound in 19 minutes during Canada's 88-85 win over Spain on Friday.
Powell won't start Sunday's Game 1 against the Clippers, Law Murray of The Athletic reports.
Powell will start in Sunday's regular-season finale versus Oklahoma City.
Powell had two points (1-1 FG, 0-1 FT) and three rebounds across eight minutes during Thursday's 109-95 victory over the Hawks.
Powell racked up zero points (0-1 FG), two rebounds and one assist in five minutes during Monday's 127-92 win over Chicago.
Powell (eye) played one minute and turned the ball over once while recording no other statistics in Monday's 131-129 win over the Magic.
Powell (eye) is available for Monday's game against the Magic.
Powell (eye) is questionable to play Monday versus Orlando.
Powell (eye) won't play in Saturday's game versus the Kings.
Powell (eye) is out for Friday's game versus the Hawks.