The Texans placed Conley (ankle) on injured reserve Monday.
Conley started training camp on the PUP list since he had ankle surgery in January, but he didn't miss practice after being activated on Aug. 10. According to Aaron Wilson of the Houston Chronicle, Conley has struggled in his return from injury and was expected to lose the starting job to Lonnie Johnson anyway, so the Texans hope a few weeks of rest can help Conley fully recover. He'll be eligible to return Oct. 4 versus the Vikings.