Both players were injured in the fourth quarter of Wednesday night's 95-85 win over Indiana. Aldridge, the Trail Blazers' second-leading scorer, suffered a concussion while Batum, Portland's best perimter defender, sprained his left ankle.
Aldridge was injured when he hit head against the chest of Indiana's Jeff Foster while driving to the basket. He fell to to the floor and had to be helped off the court. Aldridge spent the night in an Indianapolis hospital.
Batum sprained his ankle when he jumped to block a shot and landed on Danny Granger's foot. He had to be carried off the court.
Aldridge averages 18.0 points a game while Batum scores 5.3 points a game.