CHICAGO (AP) Chicago forward Taj Gibson sat out the Bulls' game Sunday night against Philadelphia after injuring his left ankle injury in practice Saturday.
Gibson tested the ankle in warm-ups, but the Bulls determined it was best to give him the night off.
Gibson is averaging 11.6 points and 7.1 rebounds.
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Bulls coach Fred Hoiberg believes the injury will be day-to-day.
The 76ers were without center Joel Embiid. Embiid, who didn't make the trip to Chicago, is out with a left knee contusion. Embiid also was listed as day-to-day.