INDIANAPOLIS -- Colts linebacker Rob Morris may miss his second straight game because of a strained abdominal muscle.
Morris has been bothered by the injury since suffering it in practice late last week. He was held out of the Colts' 22-20 divisional road win over Tennessee and hasn't practiced since.
Colts coach Tony Dungy said Morris was not expected to play Sunday at Houston, but a final decision on his availability will be made that morning.
Tight end Dallas Clark and offensive tackle Ryan Diem also are listed as questionable with sore necks. Both sat out practice Wednesday and Thursday, but took part in Friday's workout.
Second-year offensive tackle Charlie Johnson, who missed the Colts' first two games due to a sprained left knee, returned to practice Thursday and may play Sunday.
Linebacker Freddy Keiaho, who missed the game against Tennessee after dislocating his right elbow in the season opener with New Orleans, will return to the starting lineup against the Texans.
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