There was some question about Tillman's status after he told a Chicago radio station he might not be available because his wife, Jackie, is due to give birth to a girl - the couple's fourth child. He later posted on Twitter that the baby was expected to be born on Monday and that he planned to play.
Daniels', Houston's second-leading receiver, was limited in practice on Friday after sitting out the previous two days. The Texans are also without nose tackle Shaun Cody (ribs) and backup running back Ben Tate (hamstring).
Chicago receiver Alshon Jeffery remains sidelined by a broken right hand.